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  • Magnetism  (3,735)
  • Inorganic Chemistry  (3,705)
  • People  (3,415)
  • Humans  (1,920)
  • Fundamental concepts
  • Matter waves and collective properties of cold atoms and molecules
  • 2020-2024  (16)
  • 2015-2019  (12,319)
  • 1960-1964  (3,699)
Collection
Keywords
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Year
  • 1
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    Chapter Rappresentanza e cittadinanza (2023)
    Firenze University Press | La cittadinanza tra giustizia e democrazia
    Details
    Publication Date: 2023-08-08
    Description: One of the characteristics of advanced democratic societies is their fragmentation. This is a serious challenge for the synthesis activity that political representation has the task of carrying out. Right-wing parties, both moderate and populist, can use the concepts of people and nation. The parties of the left no longer use the concept of class and are therefore in serious difficulty. Tony Blair’s New Labour has used the concept of citizenship. It was an invention that did not have lasting success, but it certainly helped to make the concept very popular, beyond the boundaries of legal language.
    Keywords: Representation ; Citizenship ; Nation ; People ; New Labour ; bic Book Industry Communication::J Society & social sciences
    Language: Italian
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  • 2
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    Volcano monitoring with magnetic measurements: a simulation of eruptions at axial seamount, Kilauea, Baroarbunga, and Mount Saint Helens (2023)
    American Geophysical Union
    Details
    Publication Date: 2023-03-11
    Description: © The Author(s), 2022. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Biasi, J., Tivey, M., & Fluegel, B. Volcano monitoring with magnetic measurements: a simulation of eruptions at axial seamount, Kilauea, Baroarbunga, and Mount Saint Helens. Geophysical Research Letters, 49(17), (2022): e2022GL100006, https://doi.org/10.1029/2022GL100006.
    Description: Monitoring of active volcanic systems is a challenging task due in part to the trade-offs between collection of high-quality data from multiple techniques and the high costs of acquiring such data. Here we show that magnetic data can be used to monitor volcanoes by producing similar data to gravimetric techniques at significantly lower cost. The premise of this technique is that magma and wall rock above the Curie temperature are magnetically “transparent,” but not stationary within the crust. Subsurface movements of magma can affect the crustal magnetic field measured at the surface. We construct highly simplified magnetic models of four volcanic systems: Mount Saint Helens (1980), Axial Seamount (2015–2020), Kīlauea (2018), and Bárðarbunga (2014). In all cases, observed or inferred changes to the magmatic system would have been detectable by modern magnetometers. Magnetic monitoring could become common practice at many volcanoes, particularly in developing nations with high volcanic risk.
    Description: This work was supported by the NSF Grant No 2052963 to J. Biasi and an internal Woods Hole Oceanographic Institution grant to M. Tivey.
    Keywords: Magnetism ; Volcanic hazards ; Hawaii ; Iceland ; Volcanology ; Monitoring
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 3
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    The Rehabilitation and Ethnic Vetting of the Polish Population in the Voivodship of Gdańsk after World War II (2022)
    Peter Lang International Academic Publishing Group
    Details
    Publication Date: 2024-04-02
    Description: This book describes the tragedy of a border society that had no place inside the boundaries of a nation-state under totalitarianism. It is the story of citizens of the former Third Reich with Polish ethnic roots in the second half of the 1940s. The story takes place in Gdańsk-Pomerania, which was a difficult homeland for its citizens. This book depicts the consequences of Third Reich’s policies on this territory and the disastrous effects of communist policy towards the indigenous population after 1945. In parallel with exchange of population, the fortunes of the indigenous population unfolded. Based on archival sources, this work presents the fate of Pomeranians and the residents of Gdańsk who had to prove their national usefulness before they joined the post-war life.
    Keywords: Bykowska ; Ethnic ; Gdańsk ; gdańskim ; Gdańsku ; German National List ; Indigenous population ; Instytut ; Kaszubski ; ludności ; narodowościowa ; Nationalhood ; People ; Polish ; Polish citizenship ; polskiej ; Pomerania ; Population ; Recovered Territories ; Rehabilitacja ; Rehabilitation ; światowej ; Verification ; Vetting ; Voivodship ; weryfikacja ; województwie ; wojnie ; thema EDItEUR::N History and Archaeology::NH History::NHD European history ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBF Social and ethical issues ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBS Social groups, communities and identities ; thema EDItEUR::J Society and Social Sciences::JP Politics and government
    Language: English
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  • 4
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    Chapter Fazioni e popolo in una provincia del dominio pontificio fra XIII e XIV secolo (2022)
    Firenze University Press
    Details
    Publication Date: 2022-06-02
    Description: Between the 13th and 14th centuries, a number of cities in the inchoative papal state experimented a system of self-government that allowed the Guelph and Ghibelline factions, formally represented in those same bodies on an equal footing, to work alongside the more strictly communal magistracies. The case of Todi is rather well known, given the role that Bartolo da Sassoferrato assigns to it in his Tractatus de guelphis et gebellinis (ca. 1350), but current research has already ascertained that this political tradition appeared at least around 1260. Some evidence can suggest, however, that some form of integration of factions into the local institutional framework was possible elsewhere, and not far away, at Amelia for example. Here, in the new statute of the people (1343), we find a distribution of the roles of the priorato based on factions. At Todi, in 1337, something similar had happened: the statute issued that year followed the establishment of an explicitly popular regime which, in continuity with local tradition, integrated Guelphs and Ghibellines within it. The examples of these, and perhaps other, communities in the province of the Patrimonio di San Pietro in Tuscia can thus add some useful elements to the discussion of the problem of factions and their role in the communal and post-communal political order, and in particular the relationship between the people (popolo) as an institutional system and the parties.
    Keywords: Middle Ages ; 13th-14th centuries ; Todi ; Factions ; People ; Papal State.
    Language: Italian
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  • 5
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    Hidden Depths (2022)
    White Rose University Press | White Rose University Press
    Details
    Publication Date: 2022-12-06
    Description: In Hidden Depths, Professor Penny Spikins explores how our emotional connections have shaped human ancestry. Focusing on three key transitions in human origins, Professor Spikins explains how the emotional capacities of our early ancestors evolved in response to ecological changes, much like similar changes in other social mammals. For each transition, dedicated chapters examine evolutionary pressures, responses in changes in human emotional capacities and the archaeological evidence for human social behaviours. Starting from our earliest origins, in Part One, Professor Spikins explores how after two million years ago, movement of human ancestors into a new ecological niche drove new types of collaboration, including care for vulnerable members of the group. Emotional adaptations lead to cognitive changes, as new connections based on compassion, generosity, trust and inclusion also changed our relationship to material things. Part Two explores a later key transition in human emotional capacities occurring after 300,000 years ago. At this time changes in social tolerance allowed ancestors of our own species to further reach out beyond their local group and care about distant allies, making human communities resilient to environmental changes. An increasingly close relationship to animals, and even to cherished possessions, appeared at this time, and can be explained through new human vulnerabilities and ways of seeking comfort and belonging. Lastly, Part Three focuses on the contrasts in emotional dispositions arising between ourselves and our close cousins, the Neanderthals. Neanderthals are revealed as equally caring yet emotionally different humans, who might, if things had been different, have been in our place today. This new narrative breaks away from traditional views of human evolution as exceptional or as a linear progression towards a more perfect form. Instead, our evolutionary history is situated within similar processes occurring in other mammals, and explained as one in which emotions, rather than ‘intellect’, were key to our evolutionary journey. Moreover, changes in emotional capacities and dispositions are seen as part of differing pathways each bringing strengths, weaknesses and compromises. These hidden depths provide an explanation for many of the emotional sensitivities and vulnerabilities which continue to influence our world today.
    Keywords: Human demography ; Group size ; Lithic transfers ; Raw material movements ; Bonobos ; Dog burial ; Comfort ; Symbolic objects ; Symbolism ; Mobiliary art ; Attachment fluidity ; Hypersociability ; Human-animal relationships ; Dog domestication ; Attachment object ; Approachability ; Approach behaviour ; Avoidance behaviour ; Androgens ; Physiological responses ; Cognitive Archaeology ; Autism Spectrum Condition ; Handaxe ; Biface ; Neurodiversity ; Palaeolithic stone tools ; Evolution of neurodiversity ; Rock art ; Ice age art ; Material Culture ; Cultural transmission ; Emotional commitment ; Biopsychosocial approach ; Social tolerance ; Attachment ; Genus Homo ; Acheulian ; Cultural evolution ; Skeletal abnormality ; Injury ; Illness ; Interdependence ; Emotional sensitivity ; Moral emotions ; Evolution of Altruism ; Hominins ; Upper Palaeolithic ; Lower Palaeolithic ; Ecological niche ; Selective pressure ; Behavioural ecology ; Wolves ; Affective empathy ; Cognitive empathy ; Theory of mind ; Human Cognition ; Vulnerability ; Evolutionary Psychology ; Developmental psychology ; Helping behaviours ; Social cognition ; Social mammals ; Human Emotion ; Human social collaboration ; Generosity ; Emotional brain ; Social emotions ; Comparative behaviour ; Evolution ; Social carnivores ; Primate behavioural ecology ; Primate social systems ; Human Evolution ; Human ancestors ; Collaboration ; Evolutionary Biology ; Emotional vulnerability ; Social connection ; Decolonisation ; Social networks ; Middle Palaeolithic ; Community resilience ; Convergent evolution ; Chimpanzee ; Origin of modern humans ; Social safeness ; Wolf domestication ; Cherished possessions ; Compensatory attachment ; Loneliness ; Palaeolithic art ; Stress reactivity ; Bonding hormones ; Humans ; Hunter-gatherers ; Intergroup collaboration ; Tolerance ; Emotional connection ; Autism ; Trust ; Early Prehistory ; Palaeopathology ; Origins of healthcare ; Human self-domestication ; Palaeolithic Archaeology ; Social brain ; Care-giving ; Empathy ; Neanderthals ; Compassion ; Social Connection ; Evolution of Emotions ; Human Origins ; Adaptation ; Prehistory ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHM Anthropology ; bic Book Industry Communication::H Humanities::HD Archaeology ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSA Life sciences: general issues::PSAF Ecological science, the Biosphere ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSA Life sciences: general issues::PSAJ Evolution ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPW Political activism::JPWQ Revolutionary groups & movements ; bic Book Industry Communication::J Society & social sciences::JM Psychology
    Language: English
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  • 6
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    Frankenstein (2022)
    The MIT Press | The MIT Press
    Details
    Publication Date: 2024-03-27
    Description: The original 1818 text of Mary Shelley's classic novel, with annotations and essays highlighting its scientific, ethical, and cautionary aspects. Mary Shelley's Frankenstein has endured in the popular imagination for two hundred years. Begun as a ghost story by an intellectually and socially precocious eighteen-year-old author during a cold and rainy summer on the shores of Lake Geneva, the dramatic tale of Victor Frankenstein and his stitched-together creature can be read as the ultimate parable of scientific hubris. Victor, “the modern Prometheus,” tried to do what he perhaps should have left to Nature: create life. Although the novel is most often discussed in literary-historical terms—as a seminal example of romanticism or as a groundbreaking early work of science fiction—Mary Shelley was keenly aware of contemporary scientific developments and incorporated them into her story. In our era of synthetic biology, artificial intelligence, robotics, and climate engineering, this edition of Frankenstein will resonate forcefully for readers with a background or interest in science and engineering, and anyone intrigued by the fundamental questions of creativity and responsibility. This edition of Frankenstein pairs the original 1818 version of the manuscript—meticulously line-edited and amended by Charles E. Robinson, one of the world's preeminent authorities on the text—with annotations and essays by leading scholars exploring the social and ethical aspects of scientific creativity raised by this remarkable story. The result is a unique and accessible edition of one of the most thought-provoking and influential novels ever written. Essays by Elizabeth Bear, Cory Doctorow, Heather E. Douglas, Josephine Johnston, Kate MacCord, Jane Maienschein, Anne K. Mellor, Alfred Nordmann
    Keywords: science fiction ; gothic ; horror ; European ; British ; literature ; fiction ; cautionary tale ; STEM ; science ; bioethics ; classic ; bicentennial ; Josephine Johnston ; Cory Doctorow ; Jane Maienschein ; Kate MacCord ; Alfred Nordmann ; Elizabeth Bear ; Anne K. Mellor ; Heather E. Douglas ; Frankenstein ; Creature ; Monster ; Mary Shelley ; Makers ; women in science ; science and anti-science ; values in science ; responsible innovation ; Industrial Revolution ; Mary Wollstonecraft ; William Godwin ; Percy Bysshe Shelley ; Galvanism ; Mount Tambora ; Myths ; Two Cultures ; epistolary novel ; Victor Frankenstein ; Geneva ; Prometheus ; Arctic ; Lord Byron ; John Polidori ; ghost stories ; Revisions ; Electricity ; Lightning ; Vitalism ; Chemistry ; Extinction ; Magnetism ; Moral responsibility ; Legal responsibility ; Social responsibility ; Consequences ; Obligations ; Ethics ; Maker Culture ; DIY ; Technology Adjacent Possible ; Facebook ; Surveillance ; Aristotle ; Fetal development ; Epigenesis ; Embryo ; Person ; Technoscience ; Alchemy ; uncanny valley ; animation ; complexity ; Morality ; Monstrosity ; Christianity ; Otherness ; Gender ; Nature ; Domestic Affections ; Women ; Sexuality ; Technical Sweetness ; Los Alamos ; Trinity Test ; Scientific Responsibility ; Nuclear Weapons ; adjacent possible ; synthetic biology ; robotics ; thema EDItEUR::F Fiction and Related items::FB Fiction: general and literary::FBC Classic fiction: general and literary ; thema EDItEUR::F Fiction and Related items::FL Science fiction::FLC Classic science fiction
    Language: English
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  • 7
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    Pacific Climate Cultures (2022)
    De Gruyter | De Gruyter Open Poland
    Details
    Publication Date: 2022-11-22
    Description: This edited volume examines the opportunities to think, do, and/or create jointly afforded by digital storytelling. The contributors discuss digital storytelling in the context of educational programs, teaching anthropology, and ethnographic research involving a variety of populations and subjects that will appeal to researchers and practitioners engaged with qualitative methods and pedagogies that rely on media technology.
    Keywords: Discourse ; Climate Change ; Humans ; Nature ; Oceania ; Resilience ; Environmental Ethics ; Environmental Change ; Worldview ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFF Social issues & processes::JFFC Social impact of disasters ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFH Popular beliefs & controversial knowledge::JFHF Folklore, myths & legends ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFS Social groups::JFSL Ethnic studies::JFSL9 Indigenous peoples ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHB Sociology::JHBD Population & demography ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHM Anthropology ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSX Human biology::PSXM Medical anthropology
    Language: English
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  • 8
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    How nature shaped echolocation in animals (2021)
    Frontiers Media SA
    Details
    Publication Date: 2024-03-31
    Description: Echolocation has evolved in different groups of animals, from bats and cetaceans to birds and humans, and enables localization and tracking of objects in a dynamic environment, where light levels may be very low or absent. Nature has shaped echolocation, an active sense that engages audiomotor feedback systems, which operates in diverse environments and situations. Echolocation production and perception vary across species, and signals are often adapted to the environment and task. In the last several decades, researchers have been studying the echolocation behavior of animals, both in the air and underwater, using different methodologies and perspectives. The result of these studies has led to rich knowledge on sound production mechanisms, directionality of the sound beam, signal design, echo reception and perception. Active control over echolocation signal production and the mechanisms for echo processing ultimately provide animals with an echoic scene or image of their surroundings. Sonar signal features directly influence the information available for the echolocating animal to perceive images of its environment. In many echolocating animals, the information processed through echoes elicits a reaction in motor systems, including adjustments in subsequent echolocation signals. We are interested in understanding how echolocating animals deal with different environments (e.g. clutter, light levels), tasks, distance to targets or objects, different prey types or other food sources, presence of conspecifics or certain predators, ambient and anthropogenic noise. In recent years, some researchers have presented new data on the origins of echolocation, which can provide a hint of its evolution. Theoreticians have addressed several issues that bear on echolocation systems, such as frequency or time resolution, target localization and beam-forming mechanisms. In this Research Topic we compiled recent work that elucidates how echolocation – from sound production, through echolocation signals to perception- has been shaped by nature functioning in different environments and situations. We strongly encouraged comparative approaches that would deepen our understanding of the processes comprising this active sense.
    Keywords: QP1-981 ; Q1-390 ; bats ; Biosonar ; Humans ; marine mammals ; sensory biology ; Birds ; Behavior ; Communication ; thema EDItEUR::M Medicine and Nursing::MF Pre-clinical medicine: basic sciences::MFG Physiology
    Language: English
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  • 9
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    Frontiers in Chemistry: Rising Stars (2021)
    Frontiers Media SA
    Details
    Publication Date: 2024-04-04
    Description: The Frontiers in Chemistry Editorial Office team are delighted to present the inaugural “Frontiers in Chemistry: Rising Stars” article collection, showcasing the high-quality work of internationally recognized researchers in the early stages of their independent careers. All Rising Star researchers featured within this collection were individually nominated by the Journal’s Chief Editors in recognition of their potential to influence the future directions in their respective fields. The work presented here highlights the diversity of research performed across the entire breadth of the chemical sciences, and presents advances in theory, experiment and methodology with applications to compelling problems. This Editorial features the corresponding author(s) of each paper published within this important collection, ordered by section alphabetically, highlighting them as the great researchers of the future. The Frontiers in Chemistry Editorial Office team would like to thank each researcher who contributed their work to this collection. We would also like to personally thank our Chief Editors for their exemplary leadership of this article collection; their strong support and passion for this important, community-driven collection has ensured its success and global impact.
    Keywords: Green and Sustainable Chemistry ; Analytical Chemistry ; Theoretical and Computational Chemistry ; Polymer Chemistry ; Medicinal and Pharmaceutical Chemistry ; Organic Chemistry ; Nanoscience ; Catalysis and Photocatalysis ; Supramolecular Chemistry ; Electrochemistry ; Inorganic Chemistry ; Chemical Biology ; thema EDItEUR::P Mathematics and Science::PD Science: general issues
    Language: English
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  • 10
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    Chocolate and Health: Friend or Foe? (2021)
    Frontiers Media SA
    Details
    Publication Date: 2024-03-30
    Description: In the ancient past, cocoa has been appreciated as a high-calorie food to boost energy in soldiers and for its undefined medicinal and mystical properties. During other times, chocolate has been considered as the forbidden “food of God”: a treasure of pleasure for the mind and the soul. The overall perception of the consumer for chocolate was of a “charming” and appealing food with lots of negative aspects related to high sugar content leading to consider chocolate as “junk food” for its “obesigen” calories. Recently, in association with the renewed interest of nutrition science in alternative source of health-promoting foods and ingredients, a large body of research has been conducted to unravel the pro and cons of cocoa in relation to human health. Epidemiological evidences indicate that cocoa consumption helps preventing cardiovascular disease for its high content in bioactive flavonoids. Clinical trials show that chocolate consumption might improve vascular function, decreasing platelet aggregation and display an antioxidant and anti-inflammatory effect. The putative protective action of cocoa seems to be multi-factorial and involving different aspects of vascular, antioxidant and endothelial function. However, the mechanism(s) that account for the benefits of cocoa it is still unclear. The aim of this Research Topic is therefore to provide the reader with an objective picture of the state of art on the association between cocoa and health, mainly through the evidences of human trials; overwhelmingly considered the golden standard for nutritional science. The Research Topic will cover the analysis of the manufacturing processes of the chocolate and the antioxidant effects in humans as well as the majority of the putative health effects of chocolate and cocoa, such as anti-inflammatory properties, effect on immunity, platelet aggregation, blood pressure, endothelial function and cognitive behavior. Unraveling the functional properties of cocoa will help to understand if the 'food of God' is a primordial gift for the health of mankind.
    Keywords: R5-920 ; RC581-607 ; TX341-641 ; Antioxidants ; Obesity ; Flavonoids ; Humans ; Chocolate ; Blood pressure ; Inflammation ; Cognitive function ; Cocoa ; Immunity
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  • 11
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    The Functional Organization of the Auditory System (2021)
    Frontiers Media SA
    Details
    Publication Date: 2024-04-05
    Description: This eBook comprises s series of original research and review articles dealing with the anatomical, genetic, and physiological organization of the auditory system from humans to monkeys and mice.
    Keywords: RC321-571 ; Q1-390 ; audition ; monkeys ; gens ; translational ; Humans ; Rodents ; Memory ; Perception ; Physiology ; functional imaging ; Anatomy ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSA Life sciences: general issues::PSAN Neurosciences
    Language: English
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  • 12
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    Spatial memory - a unique window into healthy and pathological ageing (2021)
    Frontiers Media SA
    Details
    Publication Date: 2024-04-05
    Description: The global population aged over 60 is set to rise dramatically in the coming decades. In many countries, the older population now faces the prospect of spending a quarter of their lives aged over 65, and a significant proportion will have to cope with cognitive decline associated with normal ageing or with dementia disorders. Given that these fundamental demographic changes will pose a significant challenge to health care systems, a detailed understanding of age-related cognitive and neurobiological changes is essential in helping elderly populations maintain cognitive performance. In addition, developing sensitive biomarkers to identify those at risk of developing dementia is crucial for early and effective interventions. To make inferences about the ageing process from the animal model back to the human, rigorous behavioral paradigms must be used to ensure that the same function is being examined across species. Given that similar navigational paradigms can easily be applied to humans and animals, recent years have seen an expansion of studies attempting to bridge the gap between age-related changes in animal and human spatial cognition. These studies begin to suggest that disruptions in spatial computations are among the earliest indicators of impending cognitive decline. In addition, although many animal studies have identified pathological mechanisms with paradigms involving spatial navigation, these mechanisms support many nonspatial cognitive functions as well. As a consequence, a successful characterization of how spatial processing changes in the ageing brain could reveal fundamental effects of cognitive ageing that could inform about general mechanisms underlying decline in perception, mnemonic processing and multisensory integration.
    Keywords: RC321-571 ; Q1-390 ; Neuroscience ; spatial navigation ; Humans ; Aging ; Animal Models ; Dementia ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSA Life sciences: general issues::PSAN Neurosciences
    Language: English
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  • 13
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    Magnetism and Accelerator-Based Light Sources (2021)
    Springer Nature | Springer
    Details
    Publication Date: 2024-04-05
    Description: This open access book collects the contributions of the seventh school on Magnetism and Synchrotron Radiation held in Mittelwihr, France, from 7 to 12 October 2018. It starts with an introduction to the physics of modern X-ray sources followed by a general overview of magnetism. Next, light / matter interaction in the X-ray range is covered with emphasis on different types of angular dependence of X-ray absorption spectroscopy and scattering. In the end, two domains where synchrotron radiation-based techniques led to new insights in condensed matter physics, namely spintronics and superconductivity, are discussed. The book is intended for advanced students and researchers to get acquaintance with the basic knowledge of X-ray light sources and to step into synchrotron-based techniques for magnetic studies in condensed matter physics or chemistry.
    Keywords: Spectroscopy and Microscopy ; Atomic, Molecular, Optical and Plasma Physics ; Optics, Lasers, Photonics, Optical Devices ; Condensed Matter Physics ; Magnetism, Magnetic Materials ; Semiconductors ; X-Ray Spectroscopy ; Synchrotron Techniques ; Laser-Matter Interaction ; Strongly Correlated Systems ; Magnetism ; x-ray light sources ; x-ray scattering ; spintronics ; Open Access ; Gauge invariance in spectroscopy ; molecular magnestism ; magnetic semiconductors ; Spectrum analysis, spectrochemistry, mass spectrometry ; Scientific equipment, experiments & techniques ; Atomic & molecular physics ; Optical physics ; Applied optics ; Materials / States of matter ; Electricity, electromagnetism & magnetism ; Electronic devices & materials ; thema EDItEUR::P Mathematics and Science::PN Chemistry::PNF Analytical chemistry::PNFS Spectrum analysis, spectrochemistry, mass spectrometry ; thema EDItEUR::P Mathematics and Science::PH Physics::PHM Atomic and molecular physics ; thema EDItEUR::P Mathematics and Science::PH Physics::PHJ Optical physics ; thema EDItEUR::P Mathematics and Science::PH Physics::PHD Classical mechanics::PHDF Physics: Fluid mechanics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TJ Electronics and communications engineering::TJF Electronics engineering::TJFC Electronics: circuits and components
    Language: English
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  • 14
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    Miunças 5. Avulsos da História Moderna. Instituições, Pessoas e Conflitos (2021)
    Coimbra University Press
    Details
    Publication Date: 2022-01-31
    Description: Some less extensive articles and works that were understood to deserve representation received the designation of miunças. The fourth of these compilations is now in the public, which is reserved for the Avulses of modern history: institutions, people and conflicts. It gathers writings dated from 1973 to 2016, which is imagined that they maintain the coherence of the historiographical thought of the author. With special attention to the social aspects of the policies that were undertaken by kings and lords from the end of the 15th century to the 18th century. D. Manuel, D. João III, D. Sebastião deserve some attention. As deserves the daring navigator that was Vasco da Gama or the prelate illustrious that was D. Jerónimo Osório. There are also some issues concerning the Inquisition and the Restoration of the independence of 1640 (and its antecedents). The aim is to analyze some social aspects, which are not strictly political or merely generators of conflicts. Synthesis of military and diplomatic history was reserved for another confrontation, the war of the succession of Spain, with which opened the 18th century peninsular. Which has not only had effects in Europe but has greatly impacted in South America, on the borders between the Portuguese and Spanish colonial domains. Also Brazil of the second half of the same century is a little more known, with the attempt to cover the action of Francisco Xavier de Mendonça Furtado as governor of Grão-Pará and Maranhão. The policy, in relation to the practice of specialized mathematical knowledge, is still marked by the study on the demarcation of the borders of Mato Grosso. Out of research, and just the result of a reflection on geography and history, have gathered yet to this set. A useful divagings in a term of dedication to the knowledge in which both subjects were central.
    Keywords: Institutions ; Modern history ; Miunças ; Conflicts ; People
    Language: Portuguese
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  • 15
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    Neuropharmacological, Neurobiological and Behavioral Mechanisms of Learning and Memory (2021)
    Frontiers Media SA
    Details
    Publication Date: 2024-04-04
    Description: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact
    Keywords: drugs ; Behavior ; Memory tasks ; pre-clinical ; clinical ; Humans ; Animals ; thema EDItEUR::P Mathematics and Science::PD Science: general issues ; thema EDItEUR::M Medicine and Nursing::MK Medical specialties, branches of medicine::MKG Pharmacology
    Language: English
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  • 16
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    Nature, Place & People:Forging Connections through Neighbourhood Landscape Design (2021)
    World Scientific Publishing Co.
    Details
    Publication Date: 2022-01-31
    Description: Neighbourhood landscapes are the quintessential forms of urban landscapes in most cities worldwide. They are pervasive, and hence experienced by the large majority of urban dwellers in their everyday life. More than parks, nature reserves or nature areas which are visited as destinations, neighbourhood landscapes provide the most immediate, frequent and convenient form of nature experienced by urban dwellers on a daily basis. They are also valuable as social spaces to bring residents together, foster social ties, and strengthen communities. Despite their importance, surprisingly little has been written to guide the planning and design of neighbourhood landscapes. This book is written for a specific purpose, to illustrate how the design of neighbourhood landscapes helps to deliver more benefits for urban dwellers and, at the same time, protect ecosystems that facilitate human well-being. This is in turn important as the synergistic relationships between human well-being, quality of biophysical urban environment, and health of human–environment interactions fundamentally underpin urban sustainability. The authors emphasize the role neighbourhood landscapes play in forging connections between people and nature, people and people, and people and place. Most of all, the book highlights the role of focusing on people in this endeavour, as it is only when landscapes are appropriately designed, and when people recognize these benefits, that they become valued and protected as a community resource. This book is organized into two parts. Part 1 focuses on the conceptual foundations that underpin the neighbourhood landscape design guidelines being developed. In this section, the authors describe the key concepts relating functions of neighbourhood landscapes to the key urban development goals of sustainability, liveability and reliance; how they can be represented in a framework; and how a synthesis of current knowledge of cities as socio-ecological systems helps to identify principles that can guide the designing of neighbourhood landscapes. Part 2 is more application focused, and is centred on neighbourhood landscape design guidelines inspired by the concept of ecosystem services. The guidelines consist of design approaches, practical strategies, design targets and performance monitoring indicators for tracking the performance of neighbourhood landscapes. The book is written for readers in academia and design practice, and anyone who has a role in shaping neighbourhood landscapes for the benefit of urban dwellers.
    Keywords: Urban Landscapes ; Irrigation ; Urban Areas ; Neighbourhoods ; Environmental Education ; Aesthetic Values ; Living Spaces ; Biodiversity ; Heat Mitigation ; Noise Abatement ; Landscape Design ; Nature ; Soil Quality Maintenance ; Social Relations ; Storm and Domestic Waste Water Treatment ; Flood Hazard Mitigation ; People ; Neighbourhood Landscape ; Water Cycling ; Ecology ; Nutrient Cycling ; Landscape Development ; Green Spaces ; Landscape Services ; Erosion Control ; Recreational Spaces ; Open Spaces ; Sense of Place ; Recreation ; Typology ; Parks
    Language: English
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  • 17
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    Concerns about quadrupole ICP-MS lead isotopic data and interpretations in the environment and health fields (2018)
    MDPI AG
    Details
    Publication Date: 2022-05-25
    Description: © The Author(s), 2018. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in International Journal of Environmental Research and Public Health 15 (2018): 723, doi:10.3390/ijerph15040723.
    Description: There has been a massive increase in recent years of the use of lead (Pb) isotopes in attempts to better understand sources and pathways of Pb in the environment and in man or experimental animals. Unfortunately, there have been many cases where the quality of the isotopic data, especially that obtained by quadrupole inductively coupled plasma mass spectrometry (Q-ICP-MS), are questionable, resulting in questionable identification of potential sources, which, in turn, impacts study interpretation and conclusions. We present several cases where the isotopic data have compromised interpretation because of the use of only the major isotopes 208Pb/206Pb and 207Pb/206Pb, or their graphing in other combinations. We also present some examples comparing high precision data from thermal ionization (TIMS) or multi-collector plasma mass spectrometry (MC-ICP-MS) to illustrate the deficiency in the Q-ICP-MS data. In addition, we present cases where Pb isotopic ratios measured on Q-ICP-MS are virtually impossible for terrestrial samples. We also evaluate the Pb isotopic data for rat studies, which had concluded that Pb isotopic fractionation occurs between different organs and suggest that this notion of biological fractionation of Pb as an explanation for isotopic differences is not valid. Overall, the brief review of these case studies shows that Q-ICP-MS as commonly practiced is not a suitable technique for precise and accurate Pb isotopic analysis in the environment and health fields
    Keywords: Lead isotopes ; ICP-MS ; TIMS ; MC-ICP-MS ; Environment ; Humans ; Rats ; Fractionation
    Repository Name: Woods Hole Open Access Server
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  • 18
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    Frustrated Kondo chains and glassy magnetic phases on the pyrochlore lattice (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-12-14
    Description: Author(s): Jing Luo and Gia-Wei Chern We present an extensive numerical study of a type of frustrated itinerant magnetism on the pyrochlore lattice. In this theory, the pyrochlore magnet can be viewed as a cross-linking network of Kondo or double-exchange chains. Contrary to models based on Mott insulators, this itinerant magnetism appr... [Phys. Rev. B 98, 214423] Published Thu Dec 13, 2018
    Keywords: Magnetism
    Print ISSN: 1098-0121
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  • 19
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    Assembly of eight spherical magnets into a dotriacontapole configuration (2018)
    American Physical Society (APS)
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    Publication Date: 2018-12-14
    Description: Author(s): Stefan Hartung, Felix Sommer, Simeon Völkel, Johannes Schönke, and Ingo Rehberg The magnetic field of a cuboidal cluster of eight magnetic spheres is measured. It decays with the inverse seventh power of the distance. This corresponds formally to a multipole named a dotriacontapole. This strong decay is explained on the basis of dipole-dipole interaction and the symmetry of the... [Phys. Rev. B 98, 214424] Published Thu Dec 13, 2018
    Keywords: Magnetism
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  • 20
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    Quantum collapse of a magnetic skyrmion (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-26
    Description: Author(s): Amel Derras-Chouk, Eugene M. Chudnovsky, and Dmitry A. Garanin Large thermal fluctuations can destroy skyrmions - tiny speckles of rotated magnetization in two-dimensional films. Yet at low temperatures skyrmions are believed to be topologically stable, which makes them good candidates for data storage and processing. However, as the authors demonstrate here, even at zero temperature a nanoscale skyrmion is not protected against quantum decay. The theory is based on the imaginary-time dynamics of the skyrmion. Due to the fact that even the smallest skyrmion is still formed by many atomic spins, its quantum decay provides an example of a nanoscale Schrödinger’s cat that one can study with modern measuring techniques. [Phys. Rev. B 98, 024423] Published Wed Jul 25, 2018
    Keywords: Magnetism
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  • 21
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    Attractive Fermi polarons at nonzero temperatures with a finite impurity concentration (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-26
    Description: Author(s): Hui Hu, Brendan C. Mulkerin, Jia Wang, and Xia-Ji Liu We theoretically investigate how quasiparticle properties of an attractive Fermi polaron are affected by nonzero temperature and finite impurity concentration in three dimensions and in free space. By applying both non-self-consistent and self-consistent many-body T -matrix theories, we calculate the... [Phys. Rev. A 98, 013626] Published Wed Jul 25, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
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  • 22
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    High figure of merit magneto-optics from interfacial skyrmions on topological insulators (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-26
    Description: Author(s): Tonmoy K. Bhowmick, Amrit De, and Roger K. Lake In the Kerr rotation geometry, magneto-optic memory devices typically suffer from low figure-of-merit (FOM) and long write times. We show that skyrmions formed at the interface of a thin-film multiferroic and a topological insulator can give rise to high FOM magneto-optic Kerr effects (MOKEs). Huge ... [Phys. Rev. B 98, 024424] Published Wed Jul 25, 2018
    Keywords: Magnetism
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  • 23
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    Criterion for quantum Zeno and anti-Zeno effects (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-07-27
    Description: Author(s): Jia-Ming Zhang, Jun Jing, Li-Gang Wang, and Shi-Yao Zhu In this work, we study the decay behavior of a two-level system under the competing influence of a dissipative environment and repetitive measurements. The sign of the second derivative of the environmental spectral density function with respect to the system transition frequency is found to be a su... [Phys. Rev. A 98, 012135] Published Thu Jul 26, 2018
    Keywords: Fundamental concepts
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  • 24
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    Spin-1 topological monopoles in the parameter space of ultracold atoms (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-07-27
    Description: Author(s): Haiping Hu and Chuanwei Zhang A magnetic monopole is a hypothetical elementary particle with an isolated magnetic pole. Its existence would directly lead to the quantization of electric charges. In recent years, analogs of magnetic monopoles, represented by topological defects in parameter spaces, have been studied in a wide ran... [Phys. Rev. A 98, 013627] Published Thu Jul 26, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 25
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    High magnetocaloric efficiency of a NiFe/NiCu/CoFe/MnIr multilayer in a small magnetic field (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-07-27
    Description: Author(s): S. N. Vdovichev, N. I. Polushkin, I. D. Rodionov, V. N. Prudnikov, J. Chang, and A. A. Fraerman The isothermal magnetic entropy changes Δ S (i.e., the magnetocaloric potential) are studied in Ni 80 Fe 20 / Ni 67 C u 33 / Co 90 Fe 10 / Mn 80 Ir 20 stacks at temperatures near the Curie point of the Ni 67 C u 33 spacer by applying magnetic fields of a few milli-Tesla. Such fields were sufficient for toggling magnetic mo... [Phys. Rev. B 98, 014428] Published Thu Jul 26, 2018
    Keywords: Magnetism
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  • 26
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    Magnetic field induced phenomena in UIrGe in fields applied along the $b$ axis (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-27
    Description: Author(s): Jiří Pospíšil, Yoshinori Haga, Yoshimitsu Kohama, Atsushi Miyake, Shinsaku Kambe, Naoyuki Tateiwa, Michal Vališka, Petr Proschek, Jan Prokleška, Vladimír Sechovský, Masashi Tokunaga, Koichi Kindo, Akira Matsuo, and Etsuji Yamamoto The metamagnetic transition between the antiferromagnetic and paramagnetic state in UIrGe has been studied at various temperatures by magnetization, heat capacity, and magnetocaloric-effect measurements on a single crystal in static and pulsed magnetic fields applied along the orthorhombic b axis. A... [Phys. Rev. B 98, 014430] Published Thu Jul 26, 2018
    Keywords: Magnetism
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  • 27
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    Effect of uniaxial stress on the magnetic phases of ${\mathrm{CeAuSb}}_{2}$ (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-27
    Description: Author(s): Joonbum Park, Hideaki Sakai, Andrew P. Mackenzie, and Clifford W. Hicks We present results of measurements of resistivity of CeAuSb 2 under the combination of c -axis magnetic field and in-plane uniaxial stress. In unstressed CeAuSb 2 there are two magnetic phases. The low-field A phase is a single-component spin-density wave (SDW), with q = ( η , ± η , 1 / 2 ) , and the high-field B ... [Phys. Rev. B 98, 024426] Published Thu Jul 26, 2018
    Keywords: Magnetism
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  • 28
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    Topological invariants in dissipative extensions of the Su-Schrieffer-Heeger model (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-28
    Description: Author(s): Felix Dangel, Marcel Wagner, Holger Cartarius, Jörg Main, and Günter Wunner We investigate dissipative extensions of the Su-Schrieffer-Heeger model with regard to different approaches of modeling dissipation. In doing so, we use two distinct frameworks to describe the gain and loss of particles: One uses Lindblad operators within the scope of Lindblad master equations, and ... [Phys. Rev. A 98, 013628] Published Fri Jul 27, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 29
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    Phase transitions of a two-dimensional deformed Affleck-Kennedy-Lieb-Tasaki model (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-28
    Description: Author(s): Nicholas Pomata, Ching-Yu Huang, and Tzu-Chieh Wei We study spin-2 deformed-AKLT models on the square lattice, specifically a two-parameter family of O ( 2 ) -symmetric ground-state wave functions as defined by Niggemann, Klümper, and Zittartz, who found previously that the phase diagram consists of a Néel-ordered phase and a disordered phase which cont... [Phys. Rev. B 98, 014432] Published Fri Jul 27, 2018
    Keywords: Magnetism
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  • 30
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    Twisted skyrmions at domain boundaries and the method of image skyrmions (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-28
    Description: Author(s): Huanhuan Yang, C. Wang, Xiaofan Wang, X. S. Wang, Yunshan Cao, and Peng Yan We predict a twisted skyrmion structure at the boundary of two antiparallel magnetic domains stabilized by a (synthetic or crystal) antiferromagnetic coupling on the border. Through this novel state, skyrmions with opposite polarities can be freely switched between each other by spin-polarized elect... [Phys. Rev. B 98, 014433] Published Fri Jul 27, 2018
    Keywords: Magnetism
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  • 31
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    System-environment correlations and Markovian embedding of quantum non-Markovian dynamics (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-31
    Description: Author(s): Steve Campbell, Francesco Ciccarello, G. Massimo Palma, and Bassano Vacchini We study the dynamics of a quantum system whose interaction with an environment is described by a collision model, i.e., the open dynamics is modeled through sequences of unitary interactions between the system and the individual constituents of the environment, termed “ancillas,” which are subseque... [Phys. Rev. A 98, 012142] Published Mon Jul 30, 2018
    Keywords: Fundamental concepts
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  • 32
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    Many-body stabilization of a resonant $p$-wave Fermi gas in one dimension (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-31
    Description: Author(s): Lei Pan, Shu Chen, and Xiaoling Cui Using the asymptotic Bethe ansatz, we study the stabilization problem of the one-dimensional spin-polarized Fermi gas confined in a hard-wall potential with a tunable p -wave scattering length and finite effective range. We find that the interplay of two factors, i.e., the finite interaction range an... [Phys. Rev. A 98, 011603(R)] Published Mon Jul 30, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 33
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    Ferromagnetic resonance in core-shell nanoparticles with multitype exchange anisotropy (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-31
    Description: Author(s): I. S. Poperechny and Yu. L. Raikher A phenomenological model for magnetodynamics of core-shell nanoparticles is presented. The term core-shell implies, prima facie , that the spin structures (phases) of the particle components are different, no matter whether or not they are chemically identical. The model takes in two main assumptions... [Phys. Rev. B 98, 014434] Published Mon Jul 30, 2018
    Keywords: Magnetism
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  • 34
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    Magnetic reversal in $\mathrm{S}{\mathrm{r}}_{4}\mathrm{R}{\mathrm{u}}_{3}{\mathrm{O}}_{10}$ nanosheets probed by anisotropic magnetoresistance (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-26
    Description: Author(s): Yan Liu, Weiwei Chu, Jiyong Yang, Guoqiang Liu, Haifeng Du, Wei Ning, Langsheng Ling, Wei Tong, Zhe Qu, Gang Cao, Zhuan Xu, and Mingliang Tian The origin of the unusual second magnetic transition at a temperature T M in the ruthenate S r 4 R u 3 O 10 remains elusive. Here, we have investigated the thickness-dependent anisotropic magnetoresistance of S r 4 R u 3 O 10 nanosheets, and clearly found that the sign of the magnetoresistance (MR) presents an unu... [Phys. Rev. B 98, 024425] Published Wed Jul 25, 2018
    Keywords: Magnetism
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  • 35
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    Born-Bogoliubov-Green-Kirkwood-Yvon hierarchy for ultracold bosonic systems (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-31
    Description: Author(s): Sven Krönke and Peter Schmelcher We establish a theoretical framework for exploring the quantum dynamics of finite ultracold bosonic ensembles based on the Born-Bogoliubov-Green-Kirkwood-Yvon (BBGKY) hierarchy for equations of motion for few-particle reduced density matrices (RDMs). The theory applies to zero as well as low tempera... [Phys. Rev. A 98, 013629] Published Mon Jul 30, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 36
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    Chiral skyrmions in an anisotropy gradient (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-25
    Description: Author(s): R. Tomasello, S. Komineas, G. Siracusano, M. Carpentieri, and G. Finocchio A strategy to drive skyrmion motion by a combination of an anisotropy gradient and spin-Hall effect has recently been demonstrated. Here, we study the fundamental properties of this type of motion by combining micromagnetic simulations and a generalized Thiele's equation. We find that the anisotropy... [Phys. Rev. B 98, 024421] Published Tue Jul 24, 2018
    Keywords: Magnetism
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  • 37
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    Domain formation in rectangular magnetic nanoparticle assemblies (2018)
    American Physical Society (APS)
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    Publication Date: 2018-08-02
    Description: Author(s): Alexander Fabian, Michael Czerner, Christian Heiliger, Matthias T. Elm, Detlev M. Hofmann, and Peter J. Klar Rectangular assemblies with different aspect ratios were prepared with spherical magnetite nanoparticles (diameter d = 20 nm ) on lithographically patterned substrates using a variant of the meniscus force deposition method. The aspect ratio (width:length) of the rectangular assemblies was varied from v... [Phys. Rev. B 98, 054401] Published Wed Aug 01, 2018
    Keywords: Magnetism
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  • 38
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    Detecting end states of topological quantum paramagnets via spin Hall noise spectroscopy (2018)
    American Physical Society (APS)
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    Publication Date: 2018-08-02
    Description: Author(s): Darshan G. Joshi, Andreas P. Schnyder, and So Takei We theoretically study the equilibrium spin current fluctuations and the corresponding charge noise generated by the inverse spin Hall effect (ISHE) in a metal with strong spin-orbit coupling deposited on top of a quantum paramagnet. It is shown that the charge noise power spectra measured along dif... [Phys. Rev. B 98, 064401] Published Wed Aug 01, 2018
    Keywords: Magnetism
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  • 39
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    No-signaling principle and quantum brachistochrone problem in $\mathcal{PT}$-symmetric fermionic two- and four-dimensional models (2018)
    American Physical Society (APS)
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    Publication Date: 2018-08-04
    Description: Author(s): Alireza Beygi and S. P. Klevansky Fermionic systems differ from bosonic ones in several ways, in particular the time-reversal operator T is odd, T 2 = − 1 . For PT -symmetric bosonic systems, the no-signaling principle and the quantum brachistochrone problem have been studied to some degree, both of them controversially. In this paper, we... [Phys. Rev. A 98, 022105] Published Fri Aug 03, 2018
    Keywords: Fundamental concepts
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  • 40
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    Nanoscale magnetic localization in exchange strength modulated ferromagnets (2018)
    American Physical Society (APS)
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    Publication Date: 2018-08-04
    Description: Author(s): B. J. Kirby, L. Fallarino, P. Riego, B. B. Maranville, Casey W. Miller, and A. Berger Although ferromagnetism is in general a long-range collective phenomenon, it is possible to induce local spatial variations of magnetic properties in ferromagnetic materials. For example, systematic variation of the exchange coupling strength can be used to create systems that behave as if they are ... [Phys. Rev. B 98, 064404] Published Fri Aug 03, 2018
    Keywords: Magnetism
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  • 41
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    Quantum walks assisted by particle-number fluctuations (2018)
    American Physical Society (APS)
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    Publication Date: 2018-08-04
    Description: Author(s): R. A. Vargas–Hernández and R. V. Krems We study the spreading of a quantum particle placed in a single site of a lattice or binary tree with the Hamiltonian permitting particle-number changes. We show that the particle-number-changing interactions accelerate the spreading beyond the ballistic expansion limit by inducing off-resonant Rabi... [Phys. Rev. A 98, 022107] Published Fri Aug 03, 2018
    Keywords: Fundamental concepts
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  • 42
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    Paradoxical consequences of multipath coherence: Perfect interaction-free measurements (2018)
    American Physical Society (APS)
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    Publication Date: 2018-08-07
    Description: Author(s): Z. Zhao, S. Mondal, M. Markiewicz, A. Rutkowski, B. Dakić, W. Laskowski, and T. Paterek Quantum coherence can be used to infer the presence of a detector without triggering it. Here we point out that, according to quantum mechanics, such interaction-free measurements cannot be perfect, i.e., in a single-shot experiment one has strictly positive probability to activate the detector. We ... [Phys. Rev. A 98, 022108] Published Mon Aug 06, 2018
    Keywords: Fundamental concepts
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  • 43
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    Spin-orbit-coupled soliton in a random potential (2018)
    American Physical Society (APS)
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    Publication Date: 2018-08-07
    Description: Author(s): Sh. Mardonov, V. V. Konotop, B. A. Malomed, M. Modugno, and E. Ya. Sherman We investigate theoretically the dynamics of a spin-orbit-coupled soliton formed by a self-interacting Bose-Einstein condensate immersed in a random potential, in the presence of an artificial magnetic field. We find that, due to the anomalous spin-dependent velocity, the synthetic Zeeman coupling c... [Phys. Rev. A 98, 023604] Published Mon Aug 06, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 44
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    Homogeneous and heterogeneous nucleation of skyrmions in thin layers of cubic helimagnets (2018)
    American Physical Society (APS)
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    Publication Date: 2018-08-07
    Description: Author(s): A. O. Leonov and K. Inoue Formation of isolated chiral skyrmions by homogeneous and heterogeneous nucleation has been studied in thin layers of cubic helimagnets via elongation of torons and chiral bobbers, respectively. Both torons and bobbers are localized in three dimensions, contain singularities, and, according to the t... [Phys. Rev. B 98, 054404] Published Mon Aug 06, 2018
    Keywords: Magnetism
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    Spin-wave dynamics in artificial anti-spin-ice systems: Experimental and theoretical investigations (2018)
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    Publication Date: 2018-08-07
    Description: Author(s): S. Mamica, X. Zhou, A. Adeyeye, M. Krawczyk, and G. Gubbiotti Reversed structures of artificial spin-ice systems, where elongated holes with elliptical shape (antidots) are arranged into a square array with two orthogonal sublattices, are referred to as antisquared spin ice. Using Brillouin light-scattering spectroscopy and plane-wave-method calculations, we i... [Phys. Rev. B 98, 054405] Published Mon Aug 06, 2018
    Keywords: Magnetism
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    Uncovering the nonequilibrium phase structure of an open quantum spin system (2018)
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    Publication Date: 2018-08-07
    Description: Author(s): S. Helmrich, A. Arias, and S. Whitlock We experimentally and theoretically investigate the nonequilibrium phase structure of a well-controlled driven-dissipative quantum spin system governed by the interplay of coherent driving, spontaneous decay, and long-range spin-spin interactions. We discover that the rate of population loss provide... [Phys. Rev. A 98, 022109] Published Mon Aug 06, 2018
    Keywords: Fundamental concepts
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    Metamagnetism and zero-scale-factor universality in the two-dimensional $J\text{−}Q$ model (2018)
    American Physical Society (APS)
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    Publication Date: 2018-08-07
    Description: Author(s): Adam Iaizzi, Kedar Damle, and Anders W. Sandvik Using a combination of quantum Monte Carlo and exact methods, we study the field-driven saturation transition of the two-dimensional J − Q model, in which the antiferromagnetic Heisenberg exchange ( J ) coupling competes with an additional four-spin interaction ( Q ) that favors valence-bond solid order. ... [Phys. Rev. B 98, 064405] Published Mon Aug 06, 2018
    Keywords: Magnetism
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    Observation of spontaneous ferriquadrupolar order in $\mathrm{KDy}{({\mathrm{MoO}}_{4})}_{2}$ (2018)
    American Physical Society (APS)
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    Publication Date: 2018-08-07
    Description: Author(s): A. A. Zvyagin, K. Kutko, D. Kamenskyi, A. V. Peschanskii, S. Poperezhai, and N. M. Nesterenko Using Raman and infrared spectroscopies, spontaneous ferriquadrupolar ordering has been observed in the rare-earth-based system KDy ( MoO 4 ) 2 . Ordered quadrupoles in the electron subsystem attend nonequivalent distortions of rare-earth ions in the ordered phase. A mean-field theory explaining the onset... [Phys. Rev. B 98, 064406] Published Mon Aug 06, 2018
    Keywords: Magnetism
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    Noncollinear magnetism in nanosized cobalt chromite (2018)
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    Publication Date: 2018-08-07
    Description: Author(s): D. Zákutná, J. Vlček, P. Fitl, K. Nemkovski, D. Honecker, D. Nižňanský, and S. Disch Using a combination of neutron diffraction with XYZ polarization analysis and magnetization measurements, the noncollinear magnetism in nanosized cobalt chromite, a potential multiferroic material, is revealed. For noninteracting 26.9(1) nm nanoparticles, a bulklike behavior is identified, including... [Phys. Rev. B 98, 064407] Published Mon Aug 06, 2018
    Keywords: Magnetism
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    Orbital magnetic quadrupole moment and nonlinear anomalous thermoelectric transport (2018)
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    Publication Date: 2018-08-07
    Description: Author(s): Yang Gao and Di Xiao We present a microscopic theory of the orbital magnetic quadrupole moment density Q i j in periodic crystals with combined time-reversal ( T ) and inversion ( I ) symmetry. We obtain a gauge-invariant expression with a clear physical interpretation and demonstrate the typical behavior of Q i j in a minimal ... [Phys. Rev. B 98, 060402(R)] Published Mon Aug 06, 2018
    Keywords: Magnetism
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    Magnetic anisotropy in permalloy: Hidden quantum mechanical features (2018)
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    Publication Date: 2018-06-05
    Description: Author(s): Debora C. M. Rodrigues, Angela B. Klautau, Alexander Edström, Jan Rusz, Lars Nordström, Manuel Pereiro, Björgvin Hjörvarsson, and Olle Eriksson By means of relativistic, first principles calculations, we investigate the microscopic origin of the vanishingly low magnetic anisotropy of Permalloy, here proposed to be intrinsically related to the local symmetries of the alloy. It is shown that the local magnetic anisotropy of individual atoms i... [Phys. Rev. B 97, 224402] Published Mon Jun 04, 2018
    Keywords: Magnetism
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    Intrinsic hysteresis due to the surface barrier for chiral solitons in monoaxial chiral helimagnets (2018)
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    Publication Date: 2018-06-14
    Description: Author(s): M. Shinozaki, Y. Masaki, R. Aoki, Y. Togawa, and Y. Kato Chiral solitons in monoaxial chiral magnets undergo a surface barrier, which is analogous to the Bean-Livingston barrier in type-II superconductors. The authors argue here that the surface barrier is the main mechanism for large hysteresis observed in magnetoresistance (MR) measurements on micrometer-sized samples of CrNb 3 S 6 . In the MR hysteresis, a conspicuous jump is observed at the field H b for decreasing fields. Experimental results for H b ∼ 0 . 4 H c (with thermodynamic critical field H c ) and the theoretical result H b / H c = 4 / π 2 are in good agreement with each other. The surface barrier is regarded as a common property of systems (superconductors, chiral magnets, and chiral liquid crystals) that exhibit continuous transitions of the nucleation type. [Phys. Rev. B 97, 214413] Published Wed Jun 13, 2018
    Keywords: Magnetism
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    Calculating the transport properties of magnetic materials from first principles including thermal and alloy disorder, noncollinearity, and spin-orbit coupling (2018)
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    Publication Date: 2018-06-14
    Description: Author(s): Anton A. Starikov, Yi Liu, Zhe Yuan, and Paul J. Kelly A density functional theory based two-terminal scattering formalism that includes spin-orbit coupling and spin noncollinearity is described. An implementation using tight-binding muffin-tin orbitals combined with extensive use of sparse matrix techniques allows a wide variety of inhomogeneous struct... [Phys. Rev. B 97, 214415] Published Wed Jun 13, 2018
    Keywords: Magnetism
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    All the noncontextuality inequalities for arbitrary prepare-and-measure experiments with respect to any fixed set of operational equivalences (2018)
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    Publication Date: 2018-06-06
    Description: Author(s): David Schmid, Robert W. Spekkens, and Elie Wolfe Within the framework of generalized noncontextuality, we introduce a general technique for systematically deriving noncontextuality inequalities for any experiment involving finitely many preparations and finitely many measurements, each of which has a finite number of outcomes. Given any fixed sets... [Phys. Rev. A 97, 062103] Published Tue Jun 05, 2018
    Keywords: Fundamental concepts
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    Field dependence of nonreciprocal magnons in chiral MnSi (2018)
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    Publication Date: 2018-06-06
    Description: Author(s): T. Weber, J. Waizner, G. S. Tucker, R. Georgii, M. Kugler, A. Bauer, C. Pfleiderer, M. Garst, and P. Böni Spin waves in chiral magnetic materials are strongly influenced by the Dzyaloshinskii-Moriya interaction, resulting in intriguing phenomena like nonreciprocal magnon propagation and magnetochiral dichroism. Here, we study the nonreciprocal magnon spectrum of the archetypical chiral magnet MnSi and i... [Phys. Rev. B 97, 224403] Published Tue Jun 05, 2018
    Keywords: Magnetism
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    Resilience of scrambling measurements (2018)
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    Publication Date: 2018-06-15
    Description: Author(s): Brian Swingle and Nicole Yunger Halpern Most experimental protocols for measuring scrambling require time evolution with a Hamiltonian and with the Hamiltonian's negative counterpart (backward time evolution). Engineering controllable quantum many-body systems for which such forward and backward evolution is possible is a significant expe... [Phys. Rev. A 97, 062113] Published Thu Jun 14, 2018
    Keywords: Fundamental concepts
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    Post-Ehrenfest many-body quantum interferences in ultracold atoms far out of equilibrium (2018)
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    Publication Date: 2018-06-15
    Description: Author(s): Steven Tomsovic, Peter Schlagheck, Denis Ullmo, Juan-Diego Urbina, and Klaus Richter Far out-of-equilibrium many-body quantum dynamics in isolated systems necessarily generates interferences beyond an Ehrenfest timescale, where quantum and classical expectation values diverge. Of great recent interest is the role these interferences play in the spreading of quantum information acros... [Phys. Rev. A 97, 061606(R)] Published Thu Jun 14, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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    Nonswitchable polarization and magnetoelectric coupling in the high-pressure synthesized doubly ordered perovskites $\mathrm{NaYMnW}{\mathrm{O}}_{6}$ and $\mathrm{NaHoCoW}{\mathrm{O}}_{6}$ (2018)
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    Publication Date: 2018-06-15
    Description: Author(s): Chandan De and A. Sundaresan The doubly ordered perovskites Na L n MnW O 6 ( L n = La , Nd, and Tb), Na L n FeW O 6 ( L n = La and Nd), and Na L n CoW O 6 ( L n = Sm − Er , Yb, and Y) have been reported to be potential multiferroics because of their polar crystal structure ( P 2 1 ) and antiferromagnetic ordering of the transition-metal ions at low temperatures.... [Phys. Rev. B 97, 214418] Published Thu Jun 14, 2018
    Keywords: Magnetism
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    Work and reversibility in quantum thermodynamics (2018)
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    Publication Date: 2018-06-16
    Description: Author(s): Álvaro M. Alhambra, Stephanie Wehner, Mark M. Wilde, and Mischa P. Woods It is a central question in quantum thermodynamics to determine how irreversible is a process that transforms an initial state ρ to a final state σ and whether such irreversibility can be thought of as a useful resource. For example, we might ask how much work can be obtained by thermalizing ρ to a ... [Phys. Rev. A 97, 062114] Published Fri Jun 15, 2018
    Keywords: Fundamental concepts
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    Experimental retrodiction of trajectories of single photons in double interferometers (2018)
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    Publication Date: 2018-06-16
    Description: Author(s): Yuan Yuan, Zhibo Hou, Kang-Da Wu, Guo-Yong Xiang, Chuan-Feng Li, and Guang-Can Guo When a photon passes through an interferometer, quantum mechanics does not provide a clear answer as to its past. Quantum retrodiction is a quantitative theory, which endeavors to make statements about the past of a system based on present knowledge. Quantum retrodiction may be used to analyze the p... [Phys. Rev. A 97, 062115] Published Fri Jun 15, 2018
    Keywords: Fundamental concepts
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    Totally destructive interference for permutation-symmetric many-particle states (2018)
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    Publication Date: 2018-06-16
    Description: Author(s): Christoph Dittel, Gabriel Dufour, Mattia Walschaers, Gregor Weihs, Andreas Buchleitner, and Robert Keil Interference is at the heart of quantum mechanics and is most intriguing in the complexity of multiple interfering particles. Here fundamental symmetry considerations are used to develop a general formalism for understanding the totally destructive interference of many bosons and fermions. [Phys. Rev. A 97, 062116] Published Fri Jun 15, 2018
    Keywords: Fundamental concepts
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    Nonlocal pair correlations in Lieb-Liniger gases: A unified nonperturbative approach from weak degeneracy to high temperatures (2018)
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    Publication Date: 2018-06-16
    Description: Author(s): Benjamin Geiger, Quirin Hummel, Juan Diego Urbina, and Klaus Richter We present analytical results for the nonlocal pair correlations in one-dimensional bosonic systems with repulsive contact interactions that are uniformly valid from the classical regime of high temperatures down to weak quantum degeneracy entering the regime of ultralow temperatures. By using the i... [Phys. Rev. A 97, 063612] Published Fri Jun 15, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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    Wigner function of noninteracting trapped fermions (2018)
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    Publication Date: 2018-06-16
    Description: Author(s): David S. Dean, Pierre Le Doussal, Satya N. Majumdar, and Grégory Schehr The Wigner function is studied for trapped noninteracting fermions. Universal scaling behavior of the function, independent of the trapping potential and the spatial dimension, is found at both zero and finite temperatures. [Phys. Rev. A 97, 063614] Published Fri Jun 15, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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    Dimer-dimer zero crossing and dilute dimerized liquid in a one-dimensional mixture (2018)
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    Publication Date: 2018-06-16
    Description: Author(s): A. Pricoupenko and D. S. Petrov We consider the system of dimers formed in a one-dimensional mass-balanced Bose-Bose mixture of species σ = ↑ , ↓ with attractive interspecies and repulsive intraspecies contact interactions. In the plane parametrized by the ratios of the coupling constants g ↑ ↑ / | g ↑ ↓ | and g ↓ ↓ / | g ↑ ↓ | we trace out the curve... [Phys. Rev. A 97, 063616] Published Fri Jun 15, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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    Electric and magnetic gating of Rashba-active weak links (2018)
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    Publication Date: 2018-06-16
    Description: Author(s): A. Aharony, O. Entin-Wohlman, M. Jonson, and R. I. Shekhter In a one-dimensional weak-link wire the spin-orbit interaction (SOI) alone cannot generate a nonzero spin current. We show that a Zeeman field acting in the wire in conjunction with the Rashba SOI there does yield such a current, whose magnitude and direction depend on the direction of the field. Wh... [Phys. Rev. B 97, 220404(R)] Published Fri Jun 15, 2018
    Keywords: Magnetism
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    Magnetism and the phase diagram of ${\mathrm{MnSb}}_{2}{\mathrm{O}}_{6}$ (2018)
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    Publication Date: 2018-06-16
    Description: Author(s): C. Koo, J. Werner, M. Tzschoppe, M. Abdel-Hafiez, P. K. Biswas, R. Sarkar, H.-H. Klauss, G. V. Raganyan, E. A. Ovchenkov, A. Yu. Nikulin, A. N. Vasiliev, E. A. Zvereva, and R. Klingeler Static and dynamic magnetic properties of P 3 ¯ 1 m -phase MnSb 2 O 6 have been studied by means of muon-spin relaxation ( μ SR ), high-frequency electron-spin resonance (HF-ESR), specific heat, and magnetization studies in magnetic fields up to 25 T. The data imply onset of long-range antiferromagnetic order ... [Phys. Rev. B 97, 224416] Published Fri Jun 15, 2018
    Keywords: Magnetism
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    Light polarization measurements in tests of macrorealism (2018)
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    Publication Date: 2018-06-19
    Description: Author(s): Eugenio Roldán, Johannes Kofler, and Carlos Navarrete-Benlloch According to the world view of macrorealism, the properties of a given system exist prior to and independent of measurement, which is incompatible with quantum mechanics. Leggett and Garg put forward a practical criterion capable of identifying violations of macrorealism, and so far experiments perf... [Phys. Rev. A 97, 062117] Published Mon Jun 18, 2018
    Keywords: Fundamental concepts
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    Numerical optimal control of spin systems at zero magnetic field (2018)
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    Publication Date: 2018-06-19
    Description: Author(s): Min Jiang, Ji Bian, Xiaomei Liu, Hengyan Wang, Yunlan Ji, Bo Zhang, Xinhua Peng, and Jiangfeng Du Zero-field nuclear magnetic resonance (NMR) has been recently developed as a complementary tool for nondestructive structural investigations of matter. However, precise and efficient control in such systems is still at the beginning. Based on the controllability of spin systems, we theoretically stu... [Phys. Rev. A 97, 062118] Published Mon Jun 18, 2018
    Keywords: Fundamental concepts
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    Scaling of nonlinear susceptibilities in an artificial permalloy honeycomb lattice (2018)
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    Publication Date: 2018-06-19
    Description: Author(s): A. Dahal, Y. Chen, B. Summers, and D. K. Singh Two-dimensional artificial magnetic honeycomb lattice is predicted to manifest several magnetic phase transitions as a function of reducing temperature. We have performed the analysis of nonlinear susceptibility to explore the equilibrium nature of phase transition in artificial honeycomb lattice of... [Phys. Rev. B 97, 214420] Published Mon Jun 18, 2018
    Keywords: Magnetism
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    Spontaneous distortion via the appearance of ferromagnetism in Pd ultrathin films: Observation of an inverse mechanism for the Stoner criterion (2018)
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    Publication Date: 2018-06-19
    Description: Author(s): Shunsuke Sakuragi, Hiroo Tajiri, Hiroyuki Kageshima, and Tetsuya Sato We study the crystal structure of Pd(100) ultrathin films, which show ferromagnetism induced by the quantum confinement effect, using in situ x-ray crystal truncation rod measurement and density functional calculation. The energy gain from the appearance of ferromagnetism in Pd results in flatter an... [Phys. Rev. B 97, 214421] Published Mon Jun 18, 2018
    Keywords: Magnetism
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    Strong anomalous Nernst effect in collinear magnetic Weyl semimetals without net magnetic moments (2018)
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    Publication Date: 2018-06-19
    Description: Author(s): Jonathan Noky, Jacob Gayles, Claudia Felser, and Yan Sun We predict a large anomalous Nernst effect in the inverse Heusler compensated ferrimagnets Ti 2 Mn X ( X = Al , Ga, and In) with vanishing net magnetic moments. Though the net magnetic moment is zero, the Weyl points in these systems lead to a large anomalous Nernst conductivity (ANC) due to the lack of a ... [Phys. Rev. B 97, 220405(R)] Published Mon Jun 18, 2018
    Keywords: Magnetism
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    Spin glass in the bond-diluted ${J}_{1}−{J}_{2}$ Ising model on the square lattice (2018)
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    Publication Date: 2018-06-19
    Description: Author(s): Yining Xu and Dao-Xin Yao We use Monte Carlo (MC) methods to simulate a two-dimensional (2D) bond-diluted Ising model on the square lattice, which has frustration between nearest-neighbor interaction J 1 and next-nearest-neighbor interaction J 2 . In this study, we use the parallel tempering algorithm to study thermodynamics fo... [Phys. Rev. B 97, 224419] Published Mon Jun 18, 2018
    Keywords: Magnetism
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    Finite-barrier correction for the ferromagnetic resonance frequency of nanomagnets with various magnetocrystalline anisotropies (2018)
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    Publication Date: 2018-06-19
    Description: Author(s): Yuri P. Kalmykov, Serguey V. Titov, William T. Coffey, and William J. Dowling Finite-barrier corrections to the ferromagnetic resonance (FMR) frequency of nanomagnets are obtained in closed integral form from the undamped deterministic equation of motion of the magnetization by averaging the precession frequency as expressed by elliptic functions over all possible precessiona... [Phys. Rev. B 97, 224418] Published Mon Jun 18, 2018
    Keywords: Magnetism
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    Coupling of magnetic order and charge transport in the candidate Dirac semimetal ${\mathrm{EuCd}}_{2}{\mathrm{As}}_{2}$ (2018)
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    Publication Date: 2018-06-21
    Description: Author(s): M. C. Rahn, J.-R. Soh, S. Francoual, L. S. I. Veiga, J. Strempfer, J. Mardegan, D. Y. Yan, Y. F. Guo, Y. G. Shi, and A. T. Boothroyd We use resonant elastic x-ray scattering to determine the evolution of magnetic order in EuCd 2 As 2 below T N = 9.5 K, as a function of temperature and applied magnetic field. We find an A -type antiferromagnetic structure with in-plane magnetic moments, and observe dramatic magnetoresistive effects assoc... [Phys. Rev. B 97, 214422] Published Wed Jun 20, 2018
    Keywords: Magnetism
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    Barrier-traversal-time operator and the time-energy uncertainty relation (2018)
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    Publication Date: 2018-06-28
    Description: Author(s): Denny Lane B. Sombillo and Eric A. Galapon A general barrier-traversal-time operator is constructed using the time-of-arrival formalism. We study the operator's dynamics and determine the role played by the time-energy commutation relation. It turns out that similar dynamics is observed whether the traversal-time operator is canonically conj... [Phys. Rev. A 97, 062127] Published Wed Jun 27, 2018
    Keywords: Fundamental concepts
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  • 76
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    Magnetic inhomogeneity in the copper pseudochalcogenide CuNCN (2018)
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    Publication Date: 2018-06-28
    Description: Author(s): A. Zorko, P. Jeglič, M. Pregelj, D. Arčon, H. Luetkens, A. L. Tchougréeff, and R. Dronskowski Copper carbodiimide, CuNCN, is a geometrically frustrated nitrogen-based analog of cupric oxide, whose magnetism remains ambiguous. Here, we employ a combination of local-probe techniques, including Cu 63 , 65 nuclear quadrupole resonance, C 13 nuclear magnetic resonance, and muon spin rotation to show ... [Phys. Rev. B 97, 214432] Published Wed Jun 27, 2018
    Keywords: Magnetism
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  • 77
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    Testing nonclassicality with exact Wigner currents for an anharmonic quantum system (2018)
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    Publication Date: 2018-11-27
    Description: Author(s): Alex E. Bernardini Phase-space features of the Wigner flow for an anharmonic quantum system driven by the harmonic oscillator potential modified by the addition of an inverse square (one-dimensional Coulomb-like) contribution are analytically described in terms of Wigner functions and Wigner currents. Reporting about ... [Phys. Rev. A 98, 052128] Published Mon Nov 26, 2018
    Keywords: Fundamental concepts
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  • 78
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    Dimensional crossover for the beyond-mean-field correction in Bose gases (2018)
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    Publication Date: 2018-11-27
    Description: Author(s): Tobias Ilg, Jan Kumlin, Luis Santos, Dmitry S. Petrov, and Hans Peter Büchler We present a detailed beyond-mean-field analysis of a weakly interacting Bose gas in the crossover from three to low dimensions. We find an analytical solution for the energy and provide a clear qualitative picture of the crossover in the case of a box potential with periodic boundary conditions. We... [Phys. Rev. A 98, 051604(R)] Published Mon Nov 26, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 79
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    Gamma-ray vortices emitted from nonlinear inverse Thomson scattering of a two-wavelength laser beam (2018)
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    Publication Date: 2018-11-27
    Description: Author(s): Yoshitaka Taira and Masahiro Katoh We develop a classical theory of nonlinear inverse Thomson scattering of a two-wavelength laser beam, which is valid for laser beams with linear or circular polarization and arbitrary intensity and wavelength. We reveal that an electron inside a circularly polarized two-wavelength laser field underg... [Phys. Rev. A 98, 052130] Published Mon Nov 26, 2018
    Keywords: Fundamental concepts
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  • 80
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    Quantum Zeno effect at finite measurement strength and frequency (2018)
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    Publication Date: 2018-11-27
    Description: Author(s): L. Lerner The evolution of a system subject to measurement is restricted to Zeno subspaces of the measurement Hamiltonian in the limit of strong measurements k in a phenomenon known as the quantum Zeno effect (QZE). As the limit constrains QZE to the lowest orders of perturbation in 1 / k , we derive general exp... [Phys. Rev. A 98, 052132] Published Mon Nov 26, 2018
    Keywords: Fundamental concepts
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  • 81
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    Order parameter and detection for a finite ensemble of crystallized one-dimensional dipolar bosons in optical lattices (2018)
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    Publication Date: 2018-11-27
    Description: Author(s): Budhaditya Chatterjee and Axel U. J. Lode We explore the ground-state properties of a few bosons with dipole-dipole interactions in a one-dimensional optical lattice. For comparatively strong interactions, a transition from a Mott-insulator state to a crystal state occurs. Herein, we provide a detailed characterization and a detection proto... [Phys. Rev. A 98, 053624] Published Mon Nov 26, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 82
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    Negative-temperature-state relaxation and reservoir-assisted quantum entanglement in double-spin-domain systems (2018)
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    Publication Date: 2018-11-28
    Description: Author(s): Yusuke Hama, Emi Yukawa, William J. Munro, and Kae Nemoto Spin collective phenomena including superradiance are even today being intensively investigated with experimental tests performed based on state-of-the-art quantum technologies. Such attempts are not only for the simple experimental verification of predictions from the last century, but also as a mo... [Phys. Rev. A 98, 052133] Published Tue Nov 27, 2018
    Keywords: Fundamental concepts
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  • 83
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    Chiral Majorana edge states in the vortex core of a $p+ip$ Fermi superfluid (2018)
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    Publication Date: 2018-11-28
    Description: Author(s): Jing-Bo Wang, Wei Yi, and Jian-Song Pan We study Majorana modes in the vortex core of a two-dimensional p + i p Fermi superfluid interacting with a Bose-Einstein condensate. Under a repulsive s -wave contact interaction between fermions and bosons, fermions are depleted from the vortex core when the bosonic density becomes sufficiently high. ... [Phys. Rev. A 98, 053630] Published Tue Nov 27, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 84
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    Catching and reversing quantum jumps and thermodynamics of quantum trajectories (2018)
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    Publication Date: 2018-11-30
    Description: Author(s): Juan P. Garrahan and Mădălin Guţă A recent experiment by Minev et al. , arXiv:1803.00545 demonstrated that in a dissipative (artificial) three-level atom with strongly intermittent dynamics it is possible to “catch and reverse” a quantum jump “midflight”: by the conditional application of a unitary perturbation after a fixed time wit... [Phys. Rev. A 98, 052137] Published Thu Nov 29, 2018
    Keywords: Fundamental concepts
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  • 85
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    Impact of interface structure on magnetic exchange coupling in $\mathrm{MnBi}/{\mathrm{Fe}}_{x}{\mathrm{Co}}_{1−x}$ bilayers (2018)
    American Physical Society (APS)
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    Publication Date: 2018-11-30
    Description: Author(s): S. Sabet, A. Moradabadi, S. Gorji, M. Yi, Q. Gong, M. H. Fawey, E. Hildebrandt, D. Wang, H. Zhang, B.-X. Xu, C. Kübel, and L. Alff Magnetic exchange coupling behavior was investigated in MnBi/FeCo bilayer system at the hard/soft magnetic interface. We performed a combined study of cross-sectional high resolution transmission electron microscopy (HR-TEM), DFT calculations, and micromagnetic simulations to elucidate effect of int... [Phys. Rev. B 98, 174440] Published Thu Nov 29, 2018
    Keywords: Magnetism
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  • 86
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    Nonequilibrium selection of magnetic order in a driven triangular XY antiferromagnet (2018)
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    Publication Date: 2018-11-30
    Description: Author(s): Yuan Wan and Roderich Moessner We show that a weak periodic drive removes the accidental degeneracy in the ground state of the XY antiferromagnet on the triangular lattice in a uniform static magnetic field. The underlying mechanism involves adding a small periodically modulated component to the magnetic field, which influences f... [Phys. Rev. B 98, 184432] Published Thu Nov 29, 2018
    Keywords: Magnetism
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  • 87
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    Proving genuine multiparticle entanglement from separable nearest-neighbor marginals (2018)
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    Publication Date: 2018-12-04
    Description: Author(s): Marius Paraschiv, Nikolai Miklin, Tobias Moroder, and Otfried Gühne We address the question of whether or not global entanglement of a quantum state can be inferred from local properties. Specifically, we are interested in genuinely multiparticle entangled states whose two-body marginals are all separable, but where the entanglement can be proven using knowledge of ... [Phys. Rev. A 98, 062102] Published Mon Dec 03, 2018
    Keywords: Fundamental concepts
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  • 88
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    Generating macroscopic superpositions with interacting Bose-Einstein condensates: Multimode speedups and speed limits (2018)
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    Publication Date: 2018-12-05
    Description: Author(s): Samuel P. Nolan and Simon A. Haine We theoretically investigate the effect of multimode dynamics on the creation of macroscopic superposition states (spin-cat states) in Bose-Einstein condensates via one-axis twisting. A two-component Bose-Einstein condensate naturally realizes an effective one-axis twisting interaction, under which ... [Phys. Rev. A 98, 063606] Published Tue Dec 04, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 89
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    Quantum reflection of rare-gas atoms and clusters from a grating (2018)
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    Publication Date: 2018-12-05
    Description: Author(s): G. Rojas-Lorenzo, J. Rubayo-Soneira, S. Miret-Artés, and E. Pollak Quantum reflection is a universal property of atoms and molecules when scattered from surfaces in ultracold collisions. Recent experimental work has documented the quantum reflection and diffraction of He atoms, dimers, trimers, and neon atoms when reflected from a grating. Conditions for the observ... [Phys. Rev. A 98, 063604] Published Tue Dec 04, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 90
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    Gauge-potential-induced rotation of spin-orbit-coupled Bose-Einstein condensates (2018)
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    Publication Date: 2018-12-05
    Description: Author(s): Jingjing Jin, Wei Han, and Suying Zhang We demonstrate that a spin-orbit-coupled Bose-Einstein condensate can be effectively rotated by adding a real magnetic field to inputting gauge angular momentum, which is distinctly different from the traditional ways of rotation by stirring or Raman laser dressing to inputting canonical angular mom... [Phys. Rev. A 98, 063607] Published Tue Dec 04, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 91
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    Stability of the skyrmion lattice near the critical temperature in cubic helimagnets (2018)
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    Publication Date: 2018-12-06
    Description: Author(s): Victor Laliena, Germán Albalate, and Javier Campo The phase diagram of cubic helimagnets near the critical temperature is obtained from a Landau-Ginzburg model, including fluctuations to Gaussian level. The free energy is evaluated via a saddle-point expansion around the local minima of the Landau-Ginzburg functional. The local minima are computed ... [Phys. Rev. B 98, 224407] Published Wed Dec 05, 2018
    Keywords: Magnetism
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  • 92
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    Multiple-$Q$ magnetic orders in Rashba-Dresselhaus metals (2018)
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    Publication Date: 2018-12-06
    Description: Author(s): Ken N. Okada, Yasuyuki Kato, and Yukitoshi Motome We study magnetic textures realized in noncentrosymmetric Kondo lattice models in which localized magnetic moments weakly interact with itinerant electrons subject to Rashba and Dresselhaus spin-orbit couplings. By virtue of state-of-the-art numerical simulations as well as variational calculations,... [Phys. Rev. B 98, 224406] Published Wed Dec 05, 2018
    Keywords: Magnetism
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    Colossal refrigerant capacity in $[\mathrm{Fe}{(\mathrm{hyptrz})}_{3}]{\mathrm{A}}_{2}·{\mathrm{H}}_{2}\mathrm{O}$ around the freezing temperature of water (2018)
    American Physical Society (APS)
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    Publication Date: 2018-12-06
    Description: Author(s): P. J. von Ranke, B. P. Alho, R. M. Ribas, E. P. Nobrega, A. Caldas, V. S. R. de Sousa, M. V. Colaço, Lippy F. Marques, Daniel L. Rocco, and P. O. Ribeiro We report a giant barocaloric effect in the spin-crossover compound [ Fe ( hyptrz ) 3 ] A 2 · H 2 O with hyptzr = 4 -(3′-hydroxypropyl)-1,2,4-triazole and A = 4 -chlorobenzenesulfonate. The origin of the giant barocaloric effect comes from the strong coupling between the lattice vibration and the electronic states t 2 ... [Phys. Rev. B 98, 224408] Published Wed Dec 05, 2018
    Keywords: Magnetism
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  • 94
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    Topological edge states in Rashba-Dresselhaus spin-orbit-coupled atoms in a Zeeman lattice (2018)
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    Publication Date: 2018-12-08
    Description: Author(s): C. Li, F. Ye, X. Chen, Y. V. Kartashov, L. Torner, and V. V. Konotop We address the impact of spin-orbit coupling on the existence and properties of topological edge states of cold neutral atoms and Bose-Einstein condensates loaded in honeycomb Zeeman lattices—lattices where the spinor components are placed in potentials having opposite signs. We find that the type o... [Phys. Rev. A 98, 061601(R)] Published Fri Dec 07, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 95
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    Experimental evaluation of the nonclassical relation between measurement errors using entangled photon pairs as a probe (2018)
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    Publication Date: 2018-12-08
    Description: Author(s): Masataka Iinuma, Masayuki Nakano, Holger F. Hofmann, and Yutaro Suzuki We have experimentally evaluated the nonclassical relation between measurement errors in a joint measurement of two noncommuting polarizations by using entangled photon pairs as a probe. The joint measurement was realized by filtering polarization directions that are sensitive to both of the two tar... [Phys. Rev. A 98, 062109] Published Fri Dec 07, 2018
    Keywords: Fundamental concepts
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    Field-induced quantum magnetism in the verdazyl-based charge-transfer salt $[o\text{−}\mathrm{MePy}\text{−}\mathrm{V}\text{−}{(p\text{−}\mathrm{Br})}_{2}]{\mathrm{FeCl}}_{4}$ (2018)
    American Physical Society (APS)
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    Publication Date: 2018-12-08
    Description: Author(s): Y. Iwasaki, T. Kida, M. Hagiwara, T. Kawakami, Y. Kono, S. Kittaka, T. Sakakibara, Y. Hosokoshi, and H. Yamaguchi We successfully synthesized a verdazyl-based charge-transfer salt [ o − MePy − V − ( p − Br ) 2 ] FeCl 4 , which has S V = 1 / 2 on the radical o − MePy − V − ( p − Br ) 2 and S Fe = 5 / 2 on the FeCl 4 anion. Ab initio molecular orbital calculations indicate the formation of an S V = 1 / 2 honeycomb lattice composed of three types of exchan... [Phys. Rev. B 98, 224411] Published Fri Dec 07, 2018
    Keywords: Magnetism
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    Measuring the local gravitational field using survival resonances in a dissipatively driven atom-optics system (2018)
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    Publication Date: 2018-12-11
    Description: Author(s): Shijie Chai, Julia Fekete, and Mikkel F. Andersen We do a proof-of-principle demonstration of an atomic gravimeter based on survival resonances of dissipatively driven atoms. Exposing laser-cooled atoms to a sequence of near-resonant standing-wave light pulses reveals survival resonances when the standing-wave interference pattern accelerates. The ... [Phys. Rev. A 98, 063614] Published Mon Dec 10, 2018
    Keywords: Matter waves and collective properties of cold atoms and molecules
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  • 98
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    Vibrational properties and magnetic specific heat of the covalent chain antiferromagnet $\mathrm{RbFeS}{\mathrm{e}}_{2}$ (2018)
    American Physical Society (APS)
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    Publication Date: 2018-12-11
    Description: Author(s): A. G. Kiiamov, Y. V. Lysogorskiy, F. G. Vagizov, L. R. Tagirov, D. A. Tayurskii, Z. Seidov, H.-A. Krug von Nidda, V. Tsurkan, D. Croitori, A. Günther, F. Mayr, and A. Loidl The magnetic specific heat of RbFeS e 2 and the spin state of F e 3 + ions in the compound have been studied. Phonon dispersion and phonon density of states (PDOS), element specific and total, were evaluated from first-principles calculations. It is shown that iron atoms in quasi-one-dimensional chains h... [Phys. Rev. B 98, 214411] Published Mon Dec 10, 2018
    Keywords: Magnetism
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  • 99
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    Magnetic properties and field-driven dynamics of chiral domain walls in epitaxial ${\mathrm{Pt}\text{/}\mathrm{Co}\text{/}\mathrm{Au}}_{x}{\mathrm{Pt}}_{1−x}$ trilayers (2018)
    American Physical Society (APS)
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    Publication Date: 2018-12-11
    Description: Author(s): Kowsar Shahbazi, Aleš Hrabec, Simone Moretti, Michael B. Ward, Thomas A. Moore, Vincent Jeudy, Eduardo Martinez, and Christopher H. Marrows Chiral domain walls in ultrathin perpendicularly magnetized layers have a Néel structure stabilized by a Dzyaloshinskii-Moriya interaction (DMI) that is generated at the interface between the ferromagnet and a heavy metal. Different interface materials or properties are required above and below a fe... [Phys. Rev. B 98, 214413] Published Mon Dec 10, 2018
    Keywords: Magnetism
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  • 100
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    Antiferromagnetic order is possible in ternary quasicrystal approximants (2018)
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    Publication Date: 2018-12-11
    Description: Author(s): A. Ishikawa, T. Fujii, T. Takeuchi, T. Yamada, Y. Matsushita, and R. Tamura Eight years since the discovery of the binary antiferromagnetic (AFM) quasicrystal approximants C d 6 R [R. Tamura et al. , Phys. Rev. B 82 , 220201 (2010) ], we report the observation of an AFM transition in quasicrystal approximants Au-Al- R ( R = Gd and Tb), which represent examples of AFM in ternary quas... [Phys. Rev. B 98, 220403(R)] Published Mon Dec 10, 2018
    Keywords: Magnetism
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