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  • Inorganic Chemistry  (8,002)
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  • 2020-2024  (19)
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  • 1
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    transcript Verlag | transcript Verlag
    Publication Date: 2024-03-22
    Description: Gene gelten im Allgemeinen als die Essenz eines Lebewesens, die all seine charakteristischen Eigenschaften bestimmt. Aus biologischer Sicht trifft diese Vorstellung jedoch längst nicht mehr zu. Im Mittelpunkt dieses Buches steht daher die Frage, warum und wie das essentialistische Denken die gesellschaftliche Wahrnehmung biologischer Forschungsprojekte immer noch beeinflusst. Anhand aktueller Erkenntnisse der Genetik und Epigenetik geht Kirsten Schmidt auf die Suche nach einer neuen Interpretation des Genbegriffs im Zeitalter der Postgenomik. Das Verständnis von Genen als dynamischen Prozessen erweist sich dabei als eine fruchtbare Alternative zum Essentialismus.
    Keywords: Essentialismus ; Gen ; Philosophie ; Epigenetik ; Biologie ; Genetik ; Postgenomik ; Leben ; Wissenschaft ; Wissenschaftsphilosophie ; Naturphilosophie ; Wissenschaftssoziologie ; Soziologie ; Philosophy ; Biology ; Life ; Science ; Philosophy of Science ; Philosophy of Nature ; Sociology of Science ; Sociology ; bic Book Industry Communication::P Mathematics & science::PD Science: general issues::PDA Philosophy of science ; bic Book Industry Communication::H Humanities::HP Philosophy::HPJ Philosophy: metaphysics & ontology ; bic Book Industry Communication::P Mathematics & science::PD Science: general issues::PDR Impact of science & technology on society
    Language: German
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  • 2
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    Masaryk University Press | Masaryk University
    Publication Date: 2024-04-04
    Description: Title in English: History of the Institute of Biology, Faculty of Medicine, Masaryk University A representative book on the history and present of one of the oldest institutes of the Faculty of Medicine of Masaryk University, which has been contributing significantly to the development of biological sciences since its inception.
    Keywords: Historical sciences ; Historyof Medicine ; health care ; Personalities ; Natural science ; Biology ; thema EDItEUR::P Mathematics and Science::PD Science: general issues::PDX History of science
    Language: Czech
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  • 3
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    Logos Verlag Berlin | Logos Verlag Berlin
    Publication Date: 2024-04-04
    Description: In Zeiten, in denen die Komplexität gesellschaftlicher, politischer, wirtschaftlicher und technologischer Probleme zunehmend steigt, ist der Erwerb einer naturwissenschaftlichen Grundbildung für die persönliche Meinungsbildung von zentraler Bedeutung. Hierzu gehört das Erlernen von naturwissenschaftlichen Erkenntnismethoden wie dem Experimentieren. Erkenntnisse zu experimentierspezifischen Kompetenzen zeigen, dass Lernende über unterschiedliche Vorstellungen bezüglich des Experimentierens verfügen. Diese zeigen sich in unterschiedlichen Vorgehensweisen, die mehr oder weniger stark von der Vorgehensweise in realer wissenschaftlicher Forschung abweichen. Ziel der vorliegenden Studie ist eine differenzierte Erfassung und Analyse individueller Prozessstrukturen sowie prozessbezogener Niveaustufen von Experimentierprozessen Lehramtsstudierender der Biologie. Die Ergebnisse zeigen, dass die meisten Experimentierprozesse nicht, wie in idealisierten Modellen angenommen, einem linearen Prozessverlauf verlaufen, sondern wiederholte Wechsel zwischen den Experimentierphasen aufweisen. Insbesondere die Durchführung nimmt hier eine zentrale Stellung ein. Die Vernetzung der Experimentierphasen ist unterschiedlich ausgeprägt und steht in einem positiven Zusammenhang mit der Qualität eines Experimentierprozesses. Die prozessbezogenen Niveaustufen weisen Ausprägungen über alle Niveaus hinweg auf. Aus den Ergebnissen werden Hinweise zur Gestaltung von Unterricht und universitärer Lehre sowie Implikationen für die fachdidaktische Forschung abgeleitet.
    Keywords: Science ; Science ; Life Sciences ; Biology ; Education ; thema EDItEUR::P Mathematics and Science::PD Science: general issues ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences ; thema EDItEUR::J Society and Social Sciences::JN Education
    Language: German
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  • 4
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    Logos Verlag
    Publication Date: 2024-04-05
    Description: New technologies have revealed previously unknown and invisible parts of the human body and made it visible at the molecular level, revealing in turn more detailed structures and arrangements than those which were previously available. In doing so, in many ways they refine, expand, and even completely overturn forms of contemporary knowledge. This book maps the shifts and blurring of boundaries in contemporary bioscientific discourse. The authors of its chapters trace the shifts of boundaries in terms of the gradual blurring of the validity of established concepts, interpretive frameworks, and standards of judgment, which are analysed from ontological, gnoseological, ethical, and social perspectives. At the same time, they also map the blurring of boundaries in terms of the interdisciplinary crossing of boundaries between various scientific and artistic disciplines. The shifting of boundaries ultimately forms a part of these boundaries’ definition; upon the basis of a rationally guided discussion, these shifts can be guided and corrected so as to avoid any irreversible damage. Jana Tomašovičová is a philosopher with a special interest in contemporary philosophy and bioethics. She analyses the impact of biotechnology on traditional social, ethical, and anthropological concepts and their relevance in new conditions. She is an associate professor at the Faculty of Arts, University of Ss. Cyril and Methodius in Trnava, Slovakia. During her bioethics research, she conducted short research stays at the universities of Bonn, Heidelberg, Tübingen, and Zürich.
    Keywords: Science ; Life Sciences ; Biology ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences
    Language: English
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  • 5
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    Taylor & Francis | CRC Press
    Publication Date: 2023-09-12
    Description: The complex regulations of the Endangered Species Act established by the U.S. Fish and Wildlife Service can be challenging for environmental professionals who must comply with them or assist clients in compliance. This is true especially for those without a background in biology or ecology. The Endangered Species Act: History, Implementation, Successes, and Controversies discusses the Act using clear scientific prose that all professionals whose activities fit into the ESA compliance process can readily comprehend, including those with limited education in science. The book begins by exploring the deeply rooted history of the Endangered Species Act, which extends back decades preceding its enactment in 1973. It continues with a discussion of the basic scientific theory underlying the Act and provides an overview of its key regulations. The author also examines the Act in the context of other key environmental planning statutes such as the National Environmental Policy Act and the Clean Water Act, especially Section 404 of the Clean Water Act, which relates specifically to wetlands. The remainder of the book details the regulatory processes faced by other government agencies and private developers who must routinely ensure that their actions comply with the Endangered Species Act. It concludes with a broad discussion of current controversies associated with the Act and how those controversies might ultimately change how environmental practitioners will have to comply with the Act in the future. The book is neither a defense of the Endangered Species Act and its associated regulations nor a call to repeal or modify the Act or regulations. The presentation is factual and avoids the hype and hyperbole commonly directed at the Act by both environmental activists and deregulation proponents. Readers will gain a solid understanding of how the Act was established, what goals were envisioned by its framers, how current environmental practice under the Act has been shaped, and how those practices might be changed in the future.
    Keywords: Environment law ; Applied ecology ; Biology ; life sciences ; Zoology & animal sciences ; bic Book Industry Communication::L Law::LN Laws of Specific jurisdictions::LNK Environment, transport & planning law::LNKJ Environment law ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNC Applied ecology ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSV Zoology & animal sciences
    Language: English
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  • 6
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    UCL Press
    Publication Date: 2024-03-23
    Description: Bloomsbury Scientists is the story of the network of scientists and artists living in a square mile of London before and after the First World War. This inspired group of men and women viewed creativity and freedom as the driving force behind nature, and each strove to understand this in their own inventive way. Their collective energy changed the social mood of the era and brought a new synthesis of knowledge to ideas in science and art. Class barriers were threatened as power shifted from the landed oligarchy to those with talent and the will to make a difference. A time of unexpected opportunities, from the new disciplines of Genetics and Ecology to Post-Impressionism and beyond, Michael Boulter seamlessly weaves together the stories originating from Bloomsbury’s laboratories, libraries and studios. He narrates the breakthroughs of scientists such as Ray Lankester and Marie Stopes alongside the creative outputs of H. G. Wells and Virginia Woolf, among many others, and intricately connects them all through personal friendships, grievances, quarrels and affections. Bloomsbury Scientists offers a fresh and crucial perspective on this history at a time when the complex relationship between science and art continues to be debated.
    Keywords: london ; history of science ; bloomsbury ; scientists ; Biology ; Charles Darwin ; Evolution ; Francis Galton ; thema EDItEUR::1 Place qualifiers::1D Europe::1DD Western Europe::1DDU United Kingdom, Great Britain ; thema EDItEUR::N History and Archaeology::NH History::NHD European history ; thema EDItEUR::P Mathematics and Science::PD Science: general issues::PDX History of science
    Language: English
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  • 7
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    Frontiers Media SA
    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: polyoxometalates ; Catalysis ; Biology ; Energy ; Materials Science ; magnetic materials ; active matter ; Water-oxidation ; Keggin ; supramolecular chemistry ; thema EDItEUR::P Mathematics and Science::PD Science: general issues
    Language: English
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  • 8
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    Frontiers Media SA
    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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  • 9
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-05
    Description: Nanofibers, particularly those of a carbonaceous content, have received increased interest in the past two decades due to their outstanding physico-chemical characteristics and their possibility to form and contribute towards a plethora of potentially advantageous materials for consumer, industrial and medical applications. Despite this, and together with the numerous research studies and published articles that have sought to investigate these aspects, the potential impact of CNTs is still not understood. Whether or not nanofibers may be able to provide a sophisticated alternative to conventional materials is still debatable, whilst their effects upon both environmental and human health are highly equivocal. How nanofibers are conceived can determine how they may interact with different environments, such as the human body. Understanding each key step of the synthesis and production of nanofibers to their use within potential applications is therefore essential in gaining an insight into how they may be perceived by any biological system and environment. Thus, obtaining such information will enable all scientific communities to begin to realize the potential advantages posed by nanofibers. The aim of this Special Issue therefore, was to provide a collective overview of nanofibers; ‘from synthesis to application’. The Issue particularly focuses upon carbon-based nanofibers, but also highlights alternative nanofiber types. Emphasis is given holistically, with articles discussing the production routes of nanofibers, their plight during their life-cycle (origin to applied form and effects over time), as well as how nanofibers could either incite conflict, or provide aid to human and environmental health.
    Keywords: QD1-999 ; Toxicology ; Chemistry ; Biology ; Material Science ; Nanofibers ; Nanotechnology ; thema EDItEUR::P Mathematics and Science::PN Chemistry
    Language: English
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  • 10
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    transcript Verlag
    Publication Date: 2021-02-10
    Description: Wahrnehmung, Kognition und Ästhetik lassen sich als differente Verarbeitungs- und Ausdrucksformen einer biologischen Basisausstattung des Menschen verstehen. Ob diese stabil sind oder ob sie kulturell überformt oder gar transformiert werden, bildet die zentrale medienanthropologische Fragestellung des Bandes. Dabei wird geprüft, welcher Art die wechselseitigen Impulse sind, die zu kulturellen und biologischen Veränderungen führen können, welche Wirkung sie besitzen und welche Dauer ihnen zukommt. Diese Fragen richten sich nicht allein auf Prozesse wahrnehmungstechnischer, kognitiver oder ästhetischer Habitualisierungen, sondern thematisieren deren physiologische Voraussetzungen. Mit der Beteiligung ausgewiesener Forscher aus den Bereichen Biologie, Medizin und Hirnforschung erschließt dieser Band Neuland im Grenzgebiet der Natur- und Kulturwissenschaften.
    Keywords: Wahrnehmung ; Kognition ; Ästhetik ; Medien ; Biologie ; Hirnforschung ; Medienästhetik ; Medienwissenschaft ; Aesthetics ; Media ; Biology ; Media Aesthetics ; Media Studies ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFD Media studies
    Language: German
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  • 11
    Publication Date: 2024-04-05
    Description: The Great Lagoon is a central part of the Szczecin Lagoon, a major component in the Odra River estuary system. It is also an important European natural heritage site and one of the largest resting places for migratory birds in the Baltic Sea area. The first part of Wolnomiejski's and Witek’s book gives a thorough overview of the most up-to-date knowledge of this region, including the assessment of its biological production. Based on these findings authors develop a food web model of the Polish part of the Szczecin Lagoon, identifying a total of 45 trophic-functional components. The model describes a variety of features ranging from the magnitude of consumption, to the amount of unassimilated food and export of individual system components, and serves as an invaluable source, helping researchers to estimate various ecological indicators of The Great Lagoon’s ecosystem.
    Keywords: QH301-705.5 ; Biology ; Natural Sciences ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences
    Language: English
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  • 12
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    Universitätsverlag Göttingen
    Publication Date: 2024-04-04
    Description: This bibliography documents the printed works of Johann Friedrich Blumenbach (1752–1840) and makes them accessible for research purposes. Blumenbach was Professor of Medicine and Natural History at the University of Göttingen. He was one of the leading exponents of the revolutionary change of the geo-biological concept of the world at the turn of the 18th to the 19th century. His works exemplarily show the interactions between the life sciences, the humanities and the social sciences of his day.
    Keywords: History of Universities ; Bibliography ; Biology ; History of Science ; Darwinism ; thema EDItEUR::P Mathematics and Science::PD Science: general issues ; thema EDItEUR::J Society and Social Sciences::JN Education::JNM Higher education, tertiary education ; thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GB Encyclopaedias and reference works::GBC Reference works::GBCR Bibliographies, catalogues ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences ; thema EDItEUR::P Mathematics and Science::PD Science: general issues::PDX History of science
    Language: German
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  • 13
    Publication Date: 2022-04-28
    Description: For more than 40 years, Jesper Hoffmeyer has been committed to the idea of developing “a semiotics of nature, or biosemiotics as he chose to call this effort, that could intelligibly explain how all the phenomena of inherent meaning and signification in living nature – from the lowest level of sign processes in unicellular organisms to the cognitive and social behavior of animals – can emerge from a universe that was not so organized and meaningful from the very beginning” (Emmeche et al. 2002: 41). In this volume, over 80 world-class scholars from more than 20 countries select a short quotation taken from any of Jesper Hoffmeyer’s texts and provide their scholarly commentary upon that passage – whether in the form of an analytical explication, a critical disagreement or a conceptual extension – that as they feel asks the questions that need to be asked, proposes the ideas that need to be proposed, or that draws out the implications that need to be so explicitly drawn out, germane to the claims of the selected passage. At once a celebration and a serious academic development of the work of Jesper Hoffmeyer, this landmark volume marks the occasion of his 70th birthday on February 21, 2012.
    Keywords: jesper hoffmeyer ; semiotics ; biosemiotics ; Biology ; Charles Sanders Peirce ; Evolution ; Semiosis ; bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GT Interdisciplinary studies::GTE Semiotics / semiology
    Language: English
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  • 14
    Publication Date: 2024-04-08
    Description: The name DGGTB (Deutsche Gesellschaft für Geschichte und Theorie der Biologie; German Society for the History and Theory of Biology) reflects recent history as well as German tradition. The Society is a relatively late addition to a series of German societies of science and medicine that began with the »Deutsche Gesellschaft für Geschichte der Medizin und der Naturwissenschaften«, founded in 1910 by Leipzig University's Karl Sudhoff (1853-1938), who wrote: »We want to establish a ,German' society in order to gather German-speaking historians together in our special disciplines so that they form the core of an international society...«. Yet Sudhoff, at this time of burgeoning academic internationalism, was »quite willing« to accommodate the wishes of a number of founding members and »drop the word German in the title of the Society and have it merge with an international society«. The founding and naming of the Society at that time derived from a specific set of historical circumstances, and the same was true some 80 years later when in 1991, in the wake of German reunification, the »Deutsche Gesellschaft für Geschichte und Theorie der Biologie« was founded. From the start, the Society has been committed to bringing studies in the history and philosophy of biology to a wide audience, using for this purpose its Jahrbuch für Geschichte und Theorie der Biologie. Parallel to the Jahrbuch, the Verhandlungen zur Geschichte und Theorie der Biologie has become the by now traditional medium for the publication of papers delivered at the Society's annual meetings. In 2005 the Jahrbuch was renamed Annals of the History and Philosophy of Biology, reflecting the Society's internationalist aspirations in addressing comparative biology as a subject of historical and philosophical studies.
    Description: The name DGGTB (Deutsche Gesellschaft für Geschichte und Theorie der Biologie; German Society for the History and Theory of Biology) reflects recent history as well as German tradition. The Society is a relatively late addition to a series of German societies of science and medicine that began with the »Deutsche Gesellschaft für Geschichte der Medizin und der Naturwissenschaften«, founded in 1910 by Leipzig University's Karl Sudhoff (1853-1938), who wrote: »We want to establish a ,German' society in order to gather German-speaking historians together in our special disciplines so that they form the core of an international society...«. Yet Sudhoff, at this time of burgeoning academic internationalism, was »quite willing« to accommodate the wishes of a number of founding members and »drop the word German in the title of the Society and have it merge with an international society«. The founding and naming of the Society at that time derived from a specific set of historical circumstances, and the same was true some 80 years later when in 1991, in the wake of German reunification, the »Deutsche Gesellschaft für Geschichte und Theorie der Biologie« was founded. From the start, the Society has been committed to bringing studies in the history and philosophy of biology to a wide audience, using for this purpose its Jahrbuch für Geschichte und Theorie der Biologie. Parallel to the Jahrbuch, the Verhandlungen zur Geschichte und Theorie der Biologie has become the by now traditional medium for the publication of papers delivered at the Society's annual meetings. In 2005 the Jahrbuch was renamed Annals of the History and Philosophy of Biology, reflecting the Society's internationalist aspirations in addressing comparative biology as a subject of historical and philosophical studies.
    Keywords: Biology ; Historical studies ; Philosophical studies ; Maggi ; Pavia ; bic Book Industry Communication::H Humanities::HP Philosophy::HPC History of Western philosophy ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences ; bic Book Industry Communication::W Lifestyle, sport & leisure::WN Natural history ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy::QDH Philosophical traditions and schools of thought ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences ; thema EDItEUR::W Lifestyle, Hobbies and Leisure::WN Nature and the natural world: general interest
    Language: German
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  • 15
    Publication Date: 2022-04-28
    Description: At the start of the twenty-first century, warnings have been raised in some quarters about how – by intent or by mishap – advances in biotechnology and related fields could aid the spread of disease. Science academics, medical organisations, governments, security analysts, and others are among those that have sought to raise concern. Education and Ethics in the Life Sciences examines a variety of attempts to bring greater awareness to security concerns associated with the life sciences. It identifies lessons from practical initiatives across a wide range of national contexts as well as more general reflections about education and ethics. The eighteen contributors bring together perspectives from a diverse range of fields – including politics, virology, sociology, ethics, security studies, microbiology, and medicine – as well as their experiences in universities, think tanks and government. In offering their assessment about what must be done and by whom, each chapter addresses a host of challenging practical and conceptual questions. Education and Ethics in the Life Sciences will be of interest to those planning and undertaking training activities in other areas. In asking how education and ethics are being made to matter in an emerging area of social unease, it will also be of interest to those with more general concerns about professional conduct.
    Keywords: biotechnology ; prevention ; ethics ; education ; Bioethics ; Biological warfare ; Biological Weapons Convention ; Biology ; Biosecurity ; China ; Dual-use technology ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFM Ethical issues & debates::JFMG Ethical issues: scientific & technological developments ; bic Book Industry Communication::J Society & social sciences::JN Education
    Language: English
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  • 16
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    Taylor & Francis | Routledge
    Publication Date: 2024-04-07
    Description: Attending the World Economic Forum this past week, I was struck by two trends. The first was that brain research has emerged as a hot topic. Not only was brain science or brain health a new theme at the meeting, research on the brain emerged in discussions about next generation computing, global cooperation, and even models of economic development as well as being linked to mental health or mindfulness. In a meeting frequented largely by economists and business leaders, I was surprised by the number of non-scientists who have become enchanted by brain science. Clearly this is the era of the brain, with mental health now part of a much broader discussion.
    Keywords: policy ; society ; mental health ; Biology ; Epigenetics ; Genetics ; Genome ; Neuroscience ; Plastic ; Social policy ; thema EDItEUR::J Society and Social Sciences ; thema EDItEUR::M Medicine and Nursing
    Language: English
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  • 17
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    Coimbra University Press
    Publication Date: 2022-01-31
    Description: This work brings together various contributions from experts in very diverse areas of knowledge, to discuss the theme ‘Light’ from various points of view. The subjects gathered in this work come from the areas of Physics, Philosophy, Transcendence, Chemistry, Optics, Literature, History of Sciences, History, Geography, International Relations, Biology, Psychology, Art, Cinema and Photography, Medicine and Museology. The texts partially reflect the contents presented at the interdisciplinary colloquium ‘Visões da Luz’ held in October 2015, on the occasion of the International Year of Light 2015, under the aegis of III-UC and open to academia and society, to teachers of the Basic and Secondary Education.
    Keywords: Geography ; Chemistry ; Literature ; Geology ; Light ; Optics ; Biology ; History ; Physics
    Language: Portuguese
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  • 18
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    Logos Verlag Berlin | Logos Verlag Berlin
    Publication Date: 2024-04-05
    Description: The field of psychiatry changed dramatically in the latter half of the nineteenth century, largely by embracing science. The transformation was most evident in Germany, where many psychiatrists began to work concurrently in the clinic and the laboratory. Some researchers sought to discover brain correlates of mental illness, while others looked to experimental psychology for insights into mental dynamics. Featured here, are the lives and works of Emil Kraepelin - often considered the founder of modern scientific psychiatry, his teacher Bernhard Gudden, and his anatomist colleague Franz Nissl. The book describes scientific findings together with the methods used; it explains why diagnoses were then (and are still now) so difficult to make; it also explores mind-brain controversies. The Making of Modern Psychiatry will inform and delight mental health professionals as well as all persons curious about the origins of modern psychiatry.
    Keywords: Science ; Life Sciences ; Biology ; Psychology ; Technology & Engineering ; Agriculture ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences ; thema EDItEUR::J Society and Social Sciences::JM Psychology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming
    Language: English
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  • 19
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    transcript Verlag | transcript Verlag
    Publication Date: 2024-03-27
    Description: From self-help books and nootropics, to self-tracking and home health tests, to the tinkering with technology and biological particles - biohacking brings biology, medicine, and the material foundation of life into the sphere of »do-it-yourself«. This trend has the potential to fundamentally change people's relationship with their bodies and biology but it also creates new cultural narratives of responsibility, authority, and differentiation. Covering a broad range of examples, this book explores practices and representations of biohacking in popular culture, discussing their ambiguous position between empowerment and requirement, promise and prescription.
    Keywords: Culture ; Representation ; Biology ; Medicine ; Biocultures ; Biohacking ; Biotechnology ; Cultural Narratives ; DIY ; America ; Body ; Biopolitics ; American Studies ; Life Sciences ; Cultural Studies ; thema EDItEUR::D Biography, Literature and Literary studies::DS Literature: history and criticism::DSB Literary studies: general ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPA Political science and theory ; thema EDItEUR::M Medicine and Nursing::MB Medicine: general issues
    Language: English
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  • 20
    Publication Date: 2021-05-19
    Description: The pearl oyster Pinctada radiata and the cockle Cerastoderma glaucum are among the most abundant bivalve molluscs in southern Tunisian waters. These species are not currently subject to any investigation despite their important economic value in the world. For this reason, their biological parameters, their spatial distribution and their stock assessment were undertaken in the Gulf of Gabes. The reproductive cycle was studied in relation to variations of the environment parameters. The specimens were collected monthly during one year (2007) in sites of El Kraten and El Jorf (Kerkennah Islands) for the first species and sites of Sidi Mansour and El Hicha (North of Sfax and Gabes) for the second. An intraspecific polymorphism biometric trait for P. radiata and C. glaucum was performed using statistical comparison methods and multivariate analysis methods. Results of analyzes showed heterogeneity between populations. For Pinctada radiata, the sex ratio unbalanced, although males dominated among smaller individuals and females were predominant in larger size-classes. Evidence of protrandric hermaphroditism was observed with males maturing earlier than females. Seasonal changes in macroand microscopic properties of the gonads of both sexes showed that this species displayed a clearly defined annual reproductive cycle with a major peak in summer and a minor peak in autumn. The onset of reproduction appears to be triggered by the rising seawater temperature during spring and summer. P. radiata exhibited a short resting phase that occurred simultaneously in both sexes from the end of December until early February. For Cerastoderma glaucum, the overall samples presented a balanced sex ratio, with males dominating among smaller individuals and females predominating in larger size classes. The seasonal changes assessed through macro- and microscopic properties in the gonads of both sexes indicated a clearly defined annual reproductive cycle. Reproductive activity of C. glaucum was greatest from spring to late autumn, with two reproductive peaks (May and November). Gametogenic activity in both sexes was apparently triggered by the rising seawater temperature during spring and summer. These results support previous findings of latitudinal changes in the reproductive behaviour of C. glaucum. Due to the extensive period of gonadal activity, C. glaucum exhibited a short resting phase that occurred simultaneously in both sexes throughout January and February. In terms of stock assessment and spatial distribution of P. radiata, results showed a scattered distribution pattern of the species according to location and depth ranging between 0 and 145 ind.m-². P. radiata was encountered from the intertidal zone to 40 m depth, with a highest population densities recorded at depth range of 2-20 m. The total stock was estimated to be 27584.9 ± 11504.5 million individuals. Oyster distribution seems influenced by the substrate type. This high population of pearl oysters was associated with large cover of seagrass Posidonia oceanica which provides an excellent substratum for attachment. The littoral zone seems not to be the preferred habitat for the proliferation of this immigrant species. Oysters’ size increased steadily with depth, ranging from a mean of 37.98 ± 0.40 mm SH at 0-1 m to 60.98 ± 0.68 mm SH at 20-100 m depth range. Size structure analysis showed that deep water population was dominated by large individuals reaching 96 mm SH. In terms of geographical occupation and stock assessment of C. glaucum, results showed a scattered distribution pattern of the species according to location. The consequence was a remarkable biomass which represented 4736 tons of total fresh weight and high abundance levels reaching over 1982 million individuals estimated in the area of 20122 hectares. In conclusion, this study is the first report of an extraordinary abundance of Pinctada radiata and Cerastoderma glaucum in southern Tunisian waters. It gives more information about their stocks in the colonization area. The data may help to determine future quantitative changes indicating trends in the study area that are exposed to various factors of environmental conditions and human activities.
    Description: Submitted
    Description: ABONDANCE
    Description: BILOGIE
    Description: Pinctada radiata
    Description: Cerastoderma glaucum
    Description: Huitre perlière
    Keywords: Abundance ; Biology ; Shellfish
    Repository Name: AquaDocs
    Type: Theses and Dissertations , Phd thesis
    Format: 170
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  • 21
    Publication Date: 2021-05-19
    Description: Instittuto Nacional de Investigaçao Pesqueira, INIP, luanda , Angola
    Description: Bachelors
    Description: Trabaho de fin cdoursado para obtençâo do grau de licenciatura em Biologica
    Description: Published
    Description: biologia marinha, fitoplâncton, limnologia, algas
    Description: marine biology, phytoplankton, algae,
    Keywords: Phytoplankton ; Nannoplankton ; Biology ; Limnology ; Algae
    Repository Name: AquaDocs
    Type: Theses and Dissertations , Bachelor thesis
    Format: 56
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  • 22
    Publication Date: 2014-12-12
    Description: Author(s): Chaitanya Joshi, Patrik Öhberg, James D. Cresser, and Erika Andersson We investigate how to model Markovian evolution of coupled harmonic oscillators, each of them interacting with a local environment. When the coupling between the oscillators is weak, dissipation may be modeled using local Lindblad terms for each of the oscillators in the master equation, as is commo... [Phys. Rev. A 90, 063815] Published Thu Dec 11, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 23
    Publication Date: 2014-12-16
    Description: Author(s): Fam Le Kien and A. Rauschenbeutel We study the propagation of nanofiber-guided light through an array of atomic cesium, taking into account the transitions between the hyperfine levels 6S 1/2 F=4 and 6P 3/2 F ′ =5 of the D 2 line. We derive the coupled-mode propagation equation, the input-output equation, the scattering matrix, the transfe... [Phys. Rev. A 90, 063816] Published Mon Dec 15, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 24
    Publication Date: 2014-11-08
    Description: Author(s): Andrey Novitsky and Cheng-Wei Qiu We study the effect of pulling optical force acting on a nonmagnetic anisotropic bead in electromagnetic fields without intensity gradient. Extreme anisotropy can be realized by a hyperbolic metamaterial made of metal-dielectric multilayers. We find that a passive anisotropic Rayleigh particle canno... [Phys. Rev. A 90, 053815] Published Fri Nov 07, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 25
    Publication Date: 2014-11-08
    Description: Author(s): H. K. Avetissian, B. R. Avchyan, and G. F. Mkrtchian The coherent radiation spectrum of highly charged hydrogenlike ions in an intense x-ray free-electron-laser field is considered. The spectrum corresponding to harmonic generation in the resonant multiphoton excitation regime is investigated both analytically and numerically, arising from the Dirac H... [Phys. Rev. A 90, 053812] Published Fri Nov 07, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 26
    Publication Date: 2014-11-04
    Description: Author(s): P. Bienias, S. Choi, O. Firstenberg, M. F. Maghrebi, M. Gullans, M. D. Lukin, A. V. Gorshkov, and H. P. Büchler We provide a theoretical framework describing slow-light polaritons interacting via atomic Rydberg states. The method allows us to analytically derive the scattering properties of two polaritons. We identify parameter regimes where polariton-polariton interactions are repulsive. Furthermore, in the ... [Phys. Rev. A 90, 053804] Published Mon Nov 03, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 27
    Publication Date: 2014-11-04
    Description: Author(s): Evgeny N. Bulgakov and Almas F. Sadreev We consider an infinite periodic array of dielectric rods in vacuum with the aim to demonstrate three types of Bloch bound states in the continuum (BSCs): symmetry protected with a zero Bloch vector, embedded in one diffraction channel with nonzero Bloch vector, and embedded in two and three diffrac... [Phys. Rev. A 90, 053801] Published Mon Nov 03, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 28
    Publication Date: 2014-11-04
    Description: Author(s): Zeyang Liao and M. Suhail Zubairy We study the collective spontaneous emission of a linear atomic chain excited by a single photon. The interaction between the atoms and the common vacuum field can significantly change the eigenenergy and the spontaneous emission rate of the system. Due to the dipole-dipole interactions, the system ... [Phys. Rev. A 90, 053805] Published Mon Nov 03, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 29
    Publication Date: 2014-11-06
    Description: Author(s): Kenan Qu, Chunhua Dong, Hailin Wang, and G. S. Agarwal We adopt Ramsey's method of separated oscillatory fields to study coherences of the mechanical system in an optomechanical resonator. The high-resolution Ramsey fringes are observed in the emission optical field, when two pulses separated in time are applied. We develop a theory to describe the tran... [Phys. Rev. A 90, 053809] Published Wed Nov 05, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 30
    Publication Date: 2014-12-16
    Description: Author(s): L. Bellando, A. Gero, E. Akkermans, and R. Kaiser We study numerically the spectrum of the non-Hermitian effective Hamiltonian that describes the dipolar interaction of a gas of N≫1 atoms with the radiation field. We analyze the interplay between cooperative effects and disorder for both scalar and vectorial radiation fields. We show that for dense... [Phys. Rev. A 90, 063822] Published Mon Dec 15, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 31
    Publication Date: 2014-12-17
    Description: Author(s): Marco G. Genoni, Stefano Mancini, Howard M. Wiseman, and Alessio Serafini We consider a system subject to a quantum optical master equation at finite temperature and study a class of conditional dynamics obtained by monitoring its totally or partially purified environment. More specifically, drawing from the notion that the thermal state of the environment may be regarded... [Phys. Rev. A 90, 063826] Published Tue Dec 16, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 32
    Publication Date: 2014-12-17
    Description: Author(s): Motoaki Bamba and Tetsuo Ogawa The possibility of the superradiant phase transition in polarizable materials described by the minimal-coupling Hamiltonian with the longitudinal dipole-dipole interaction is examined. We try to reduce the Hamiltonian into the Dicke one in the homogeneous and infinite case, and discuss the stability... [Phys. Rev. A 90, 063825] Published Tue Dec 16, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 33
    Publication Date: 2014-12-18
    Description: Author(s): Julien Duboisset, Hervé Rigneault, and Sophie Brasselet We propose a direct readout of symmetry information in matter using nonlinear optics. From combinations of circularly and longitudinally polarized optical fields, we construct irreducible spherical field tensors for second- and third-order nonlinear processes. The coupling of these field tensors to ... [Phys. Rev. A 90, 063827] Published Wed Dec 17, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 34
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    Unknown
    American Physical Society (APS)
    Publication Date: 2014-11-06
    Description: Author(s): T. Kipf and G. S. Agarwal We present a description of a strongly driven multimode optomechanical system that shows the emergence of cooperative effects usually known from systems of atom-light interaction. Our calculations show that under application of a coherent pump field the system's response can be switched from a super... [Phys. Rev. A 90, 053808] Published Wed Nov 05, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 35
    Publication Date: 2014-11-06
    Description: Author(s): Lei Ying, Ying-Cheng Lai, and Celso Grebogi Recent years have witnessed significant interest in nanoscale physical systems, such as nanoelectromechanical and optomechanical systems, which can exhibit distinct collective dynamical behaviors, such as synchronization. As a parameter of the system changes, transition from one type of emerging col... [Phys. Rev. A 90, 053810] Published Wed Nov 05, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 36
    Publication Date: 2014-12-02
    Description: Author(s): Vladimir S. Ivanov, Yuri V. Rozhdestvensky, and Kalle-Antti Suominen We present a scheme for high-precision three-dimensional (3D) localization by the measurement of the atomic-level population. The scheme is applied to a four-level tripod-type atom coupled by three strong standing waves and a probe running wave. As a result, the atom can be localized in volumes that... [Phys. Rev. A 90, 063802] Published Mon Dec 01, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 37
    Publication Date: 2014-12-02
    Description: Author(s): Mikko Partanen, Teppo Häyrynen, Jani Oksanen, and Jukka Tulkki We have recently developed a position-dependent quantization scheme for describing the ladder and effective photon-number operators associated with the electric field to analyze quantum optical energy transfer in lossy and dispersive dielectrics [Phys. Rev. A 89 , 033831 (2014)PLRAAN10.1103/PhysRevA.... [Phys. Rev. A 90, 063804] Published Mon Dec 01, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 38
    Publication Date: 2014-12-03
    Description: Author(s): R. B. Li, L. Deng, and E. W. Hagley We demonstrate all-optical multilogic gate operations and transistor functionalities using a Kerr phase gate method in a room-temperature 85 Rb vapor. Two symmetric Mach-Zehnder interferometers are constructed in the same vapor cell in which a Raman gain medium is established. We show three basic log... [Phys. Rev. A 90, 063806] Published Tue Dec 02, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 39
    Publication Date: 2014-01-15
    Description: Author(s): Lei Feng, Pengxiong Li, Mengzhen Zhang, Tun Wang, and Yanhong Xiao It is known that cross correlation between the random intensity fluctuations of two lasers forming electromagnetically induced transparency (EIT) exhibits a transition from correlation to anticorrelation. We study the linewidth behavior of this transition and have found the linewidth is below the (e... [Phys. Rev. A 89, 013815] Published Tue Jan 14, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 40
    Publication Date: 2014-01-24
    Description: Author(s): Frank Schlawin and Shaul Mukamel Correlations between uncoupled particles induced by the interaction with different types of light are investigated using a superoperator formalism. We derive compact expressions for the doubly-excited-state distributions of noninteracting multilevel atoms excited by classical laser light, classical ... [Phys. Rev. A 89, 013830] Published Thu Jan 23, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 41
    Publication Date: 2014-01-14
    Description: Author(s): Zhihai Wang and D. L. Zhou Within the capacity of current experiments, we design a composite atom-cavity system with a common bath, in which the decay channels of the atom and the cavity mode interfere with each other. When the direct atom-cavity coupling is absent, the system can be trapped in a quasidark state (the coherent... [Phys. Rev. A 89, 013809] Published Mon Jan 13, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 42
    Publication Date: 2014-01-14
    Description: Author(s): Maxim Goryachev, Warrick G. Farr, Daniel L. Creedon, and Michael E. Tobar A combination of electron spin interactions in a magnetic field allows us to control the resonance frequencies of a high-Q whispering-gallery (WG) cavity mode doublet, resulting in precise measurements of an avoided crossing between the two modes comprising the doublet. We show that the resonant pho... [Phys. Rev. A 89, 013810] Published Mon Jan 13, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 43
    Publication Date: 2014-01-14
    Description: Author(s): Chandroth P. Jisha, Alessandro Alberucci, Valeriy A. Brazhnyi, and Gaetano Assanto Existence and stability of PT-symmetric gap solitons in a periodic structure with defocusing nonlocal nonlinearity are studied both theoretically and numerically. We find that, for any degree of nonlocality, gap solitons are always unstable in the presence of an imaginary potential. The instability ... [Phys. Rev. A 89, 013812] Published Mon Jan 13, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 44
    Publication Date: 2014-01-14
    Description: Author(s): Luqi Yuan, Dawei Wang, Anatoly A. Svidzinsky, Hui Xia, Olga Kocharovskaya, Alexei Sokolov, George R. Welch, Szymon Suckewer, and Marlan O. Scully Lasing without inversion (LWI) in the extreme-ultraviolet (XUV) has been the focus of recent research of our Princeton/Texas group. Because of the restriction imposed on the decay rates associated with the usual LWI schemes, it is difficult to transfer the physics gleaned from previous experiments t... [Phys. Rev. A 89, 013814] Published Mon Jan 13, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 45
    Publication Date: 2014-01-14
    Description: Author(s): K. Tikhonov, K. Samburskaya, T. Golubeva, and Yu. Golubev In this article the ability to record, store, and read out the quantum properties of light is studied. The discussion is based on high-speed and adiabatic models of quantum memory in λ configuration and in the limit of strong resonance. We show that in this case the equality between efficiency and s... [Phys. Rev. A 89, 013811] Published Mon Jan 13, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 46
    Publication Date: 2014-01-18
    Description: Author(s): Nicolas Didier, Farzad Qassemi, and Alexandre Blais Dissipation-driven quantum state engineering uses the environment to steer the state of quantum systems and preserve quantum coherence in the steady state. We show that modulating the damping rate of a microwave resonator generates a vacuum squeezed state of arbitrary squeezing strength, thereby con... [Phys. Rev. A 89, 013820] Published Fri Jan 17, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 47
    Publication Date: 2014-01-22
    Description: Author(s): K. R. McEnery, M. S. Tame, S. A. Maier, and M. S. Kim We consider the integration of quantum emitters into a negative permeability metamaterial design in order to introduce tunability as well as nonlinear behavior. The unit cell of our metamaterial is a ring of metamolecules, each consisting of a metal nanoparticle and a two-level semiconductor quantum... [Phys. Rev. A 89, 013822] Published Tue Jan 21, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 48
    Publication Date: 2014-01-22
    Description: Author(s): Truong X. Tran, Dũng C. Duong, and Fabio Biancalana We study the spatiotemporal effects in waveguide arrays with Kerr and Raman nonlinearities when a short pulse is launched into the system where both dispersive and diffractive resonant radiations can be simultaneously emitted by solitons. We show that it is possible to generate and control the super... [Phys. Rev. A 89, 013826] Published Tue Jan 21, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 49
    Publication Date: 2014-01-22
    Description: Author(s): Cheyenne J. Sheppard and Brandon A. Kemp The analysis of plane waves normally incident upon moving media yields a velocity-dependent net flow of electromagnetic energy within the system such that optical pressures are deduced. Two common formulations (Chu and Minkowski) are employed to model the phenomena with respect to the Abraham-Minkow... [Phys. Rev. A 89, 013825] Published Tue Jan 21, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 50
    Publication Date: 2014-01-22
    Description: Author(s): Gábor Darvasi, Christoph H. Keitel, and Christian Buth X-ray free-electron lasers have had an enormous impact on x-ray science by achieving femtosecond pulses with unprecedented intensities. However, present-day facilities operating by the self-amplified spontaneous emission principle have a number of shortcomings; namely, their radiation has a chaotic ... [Phys. Rev. A 89, 013823] Published Tue Jan 21, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 51
    Publication Date: 2014-01-11
    Description: Author(s): Vassilios Yannopapas We demonstrate that the process of band-gap creation in periodic solids such as atomic, photonic, or phononic crystals can be viewed as spontaneous PT-symmetry breaking in the framework of a complex frequency band structure. This allows the use of ordinary artificial structures such as Bragg stacks ... [Phys. Rev. A 89, 013808] Published Fri Jan 10, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 52
    Publication Date: 2014-01-16
    Description: Author(s): Lida Zhang (张理达) and Jörg Evers A setup to frequency-convert an arbitrary image encoded in the spatial profile of a probe field onto a signal field using four-wave mixing in a thermal atom vapor is proposed. The atomic motion is exploited to cancel diffraction of both signal and probe fields simultaneously. We show that an incoher... [Phys. Rev. A 89, 013817] Published Wed Jan 15, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 53
    Publication Date: 2014-01-17
    Description: Author(s): P. N. Anderson, P. Horak, J. G. Frey, and W. S. Brocklesby We examine the spatiotemporal compression of energetic femtosecond laser pules within short gas-filled fibers. The study is undertaken using an advanced nonlinear pulse propagation model based on a multimode generalized nonlinear Schrödinger equation that has been modified to include plasma effects.... [Phys. Rev. A 89, 013819] Published Thu Jan 16, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 54
    Publication Date: 2014-01-23
    Description: Author(s): Jiahua Li, Rong Yu, and Ying Wu We investigate light transmission obtained from a hybrid optical system composed of a pair of directly coupled photonic crystal cavities called a photonic crystal molecule, a single semiconductor quantum dot, and a waveguide beyond the weak-excitation approximation. We take account of nonlinear term... [Phys. Rev. A 89, 015802] Published Wed Jan 22, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 55
    Publication Date: 2014-01-23
    Description: Author(s): Gaetano Assanto, Antonmaria A. Minzoni, and Noel F. Smyth The deflection of a vector soliton formed by a solitary wave and an optical vortex in nematic liquid crystals is investigated upon interaction with a localized refractive index defect. The azimuthal instability of the vortex can be triggered by the index perturbation and enhanced by the distortion o... [Phys. Rev. A 89, 013827] Published Wed Jan 22, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 56
    Publication Date: 2014-03-11
    Description: Author(s): Adam Miranowicz, Małgorzata Paprzycka, Anirban Pathak, and Franco Nori Conventional Glauber coherent states (CS) can be defined in several equivalent ways, e.g., by displacing the vacuum or, explicitly, by their infinite Poissonian expansion in Fock states. It is well known that these definitions become inequivalent if applied to finite d-level systems (qudits). We pre... [Phys. Rev. A 89, 033812] Published Mon Mar 10, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 57
    Publication Date: 2014-03-11
    Description: Author(s): Y. C. Cheng, J. Redondo, and K. Staliunas We predict that narrow beams, reflecting from flat subwavelength diffraction gratings, can focus. The effect is shown for the beams of electromagnetic radiation; however, it should be observable for beams of waves of arbitrary nature (microwaves, surface plasmons, and acoustic and mechanical waves).... [Phys. Rev. A 89, 033814] Published Mon Mar 10, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 58
    Publication Date: 2014-03-11
    Description: Author(s): Miaojun Guo, Haitao Zhou, Dan Wang, Jiangrui Gao, Junxiang Zhang, and Shiyao Zhu We experimentally investigate the quantum-correlated twin beams generated through stimulated nondegenerate four-wave mixing in the double-lambda atomic system. A 2.5-dB noise reduction of intensity difference with 18.4-GHz frequency difference at the cesium D1 line is observed in a Cs vapor cell. Th... [Phys. Rev. A 89, 033813] Published Mon Mar 10, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 59
    Publication Date: 2014-03-11
    Description: Author(s): G. Boucher, A. Eckstein, A. Orieux, I. Favero, G. Leo, T. Coudreau, A. Keller, P. Milman, and S. Ducci We present a theoretical model to describe polarization-entanglement generation by spontaneous parametric down conversion in a transverse pump configuration. It takes into account the effect of a resonant microcavity for the pump beam and gives a direct link between the level of generated entangleme... [Phys. Rev. A 89, 033815] Published Mon Mar 10, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 60
    Publication Date: 2014-03-11
    Description: Author(s): Yue Pan (潘岳), Yongnan Li (李勇男), Zhi-Cheng Ren (任志成), Yu Si (司宇), Chenghou Tu (涂成厚), and Hui-Tian Wang (王慧田) We present theoretically and generate experimentally a vector optical field with parabolic symmetry of linear polarization. We extend the study to the modified parabolic-symmetry vector fields. We explore their tightly focusing behaviors, in particular, a modified parabolic-symmetry vector field can... [Phys. Rev. A 89, 035801] Published Mon Mar 10, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 61
    Publication Date: 2014-03-13
    Description: Author(s): Enrique J. Galvez, Brett L. Rojec, Vijay Kumar, and Nirmal K. Viswanathan Polarization-singularity C points, a form of line singularities, are the vectorial counterparts of the optical vortices of spatial modes and fundamental optical features of polarization-spatial modes. Their generation in tailored beams has been limited to so-called “lemon” and “star” C points that c... [Phys. Rev. A 89, 031801] Published Wed Mar 12, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 62
    Publication Date: 2014-03-13
    Description: Author(s): Han Seb Moon and Taek Jeong We report on three-photon electromagnetically induced absorption (TPEIA) due to three-photon coherence in ladder-type atomic systems for the 5S1/2-5P3/2-5D5/2 transition in 87Rb atoms. When a counterpropagating coupling field was added to the typical ladder-type electromagnetically induced transpare... [Phys. Rev. A 89, 033822] Published Wed Mar 12, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 63
    Publication Date: 2014-03-13
    Description: Author(s): R. A. Ganeev, M. Suzuki, and H. Kuroda Harmonic generation of laser radiation from ionized particles in the extreme ultraviolet range at the conditions of the phase matching between the femtosecond driving field and harmonics is an advanced concept for the development of efficient coherent sources in this spectral region. Here we present... [Phys. Rev. A 89, 033821] Published Wed Mar 12, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 64
    Publication Date: 2014-03-13
    Description: Author(s): N. Sandor, G. Demeter, D. Dzsotjan, and G. P. Djotyan We consider the simultaneous propagation of a pair of Raman-resonant, frequency-modulated (chirped) laser pulses in an optically thick medium, modeled by an ensemble of Λ atoms. A self-organization (“matching”) effect is shown for the chirped-pulse pair, which leads to a quasilossless propagation. F... [Phys. Rev. A 89, 033823] Published Wed Mar 12, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 65
    Publication Date: 2014-03-14
    Description: Author(s): Michael Kues, Maximilian Brinkmann, and Carsten Fallnich A numerical study showing the excitation and control of second-order modulation instability (MI) dynamics in nonlinear optical fibers via two optical seed fields located under the MI gain spectrum is presented. The phase dependence of the two weak input seed fields on the temporal and spectral secon... [Phys. Rev. A 89, 033824] Published Thu Mar 13, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 66
    Publication Date: 2014-03-14
    Description: Author(s): Jin-Feng Huang (黄金凤) and C. K. Law We investigate theoretically quantum effects of a cavity-atom system in which the upper two levels of a cascade-type three-level atom interact with a cavity field mode in the ultrastrong-coupling regime. By exploiting the virtual photons carried by atom-cavity dressed states, we indicate how two ext... [Phys. Rev. A 89, 033827] Published Thu Mar 13, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 67
    Publication Date: 2014-03-14
    Description: Author(s): Pablo L. Saldanha In an recent work with the title “Asking Photons Where They Have Been,” Danan et al. experimentally demonstrate an intriguing behavior of photons in an interferometer [Phys. Rev. Lett. 111, 240402 (2013)]. In their words: “The photons tell us that they have been in the parts of the interferometer th... [Phys. Rev. A 89, 033825] Published Thu Mar 13, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 68
    Publication Date: 2014-03-14
    Description: Author(s): H. P. Laba and V. M. Tkachuk We study an analog of the equations describing transverse electric (TE) and transverse magnetic (TM) modes in a planar waveguide with an arbitrary continuous dependence of the electric permittivity and magnetic permeability on coordinates with the stationary Schrödinger equation. The effective poten... [Phys. Rev. A 89, 033826] Published Thu Mar 13, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 69
    Publication Date: 2014-03-21
    Description: Author(s): Dario Gerace and Vincenzo Savona It is shown that noncentrosymmetric materials with bulk second-order nonlinear susceptibility can be used to generate strongly antibunched radiation at an arbitrary wavelength, solely determined by the resonant behavior of suitably engineered coupled microcavities. The proposed scheme exploits the u... [Phys. Rev. A 89, 031803] Published Thu Mar 20, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 70
    Publication Date: 2014-03-21
    Description: Author(s): Álvaro M. Alhambra, Achim Kempf, and Eduardo Martín-Martínez Casimir-type forces, such as those between two neutral conducting plates, or between a sphere, atom, or molecule and a plate, have been widely studied and are becoming of increasing significance, for example, in nanotechnology. A key challenge is to better understand, from a fundamental microscopic ... [Phys. Rev. A 89, 033835] Published Thu Mar 20, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 71
    Publication Date: 2014-05-06
    Description: Author(s): I. Yavuz, E. A. Bleda, Z. Altun, and T. Topcu We describe phase-dependent wavelength scaling of high-order-harmonic generation efficiency driven by ultrashort laser fields in the midinfrared. We employ both numerical solution of the time-dependent Schrödinger equation and the strong field approximation to analyze the fine-scale oscillations in ... [Phys. Rev. A 89, 055801] Published Mon May 05, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 72
    Publication Date: 2014-05-06
    Description: Author(s): Maik Scheller, Xi Chen, Gombojav O. Ariunbold, Norman Born, Jerome Moloney, Miroslav Kolesik, and Pavel Polynkin We demonstrate experimentally that bright and nearly collimated radiation can be efficiently generated in air pumped by an intense femtosecond Bessel beam. We show that this nonlinear conversion process is driven by the rotational Raman response of air molecules. Under optimum conditions, the conver... [Phys. Rev. A 89, 053805] Published Mon May 05, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 73
    Publication Date: 2014-05-06
    Description: Author(s): Sergiu Carlig and Mihai A. Macovei We investigate the feasibility of correlating an optical cavity field and a vibrational phonon mode. A laser pumped quantum dot fixed on a nanomechanical resonator beam interacts as a whole with the optical resonator mode. When the quantum dot variables are faster than the optical and phonon ones, w... [Phys. Rev. A 89, 053803] Published Mon May 05, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 74
    Publication Date: 2014-05-06
    Description: Author(s): David D. Smith, H. Chang, Krishna Myneni, and A. T. Rosenberger We present an entirely linear all-optical method of cavity scale factor enhancement that relies on mode coupling between the orthogonal polarization modes of a single optical cavity, eliminating the necessity of using an atomic medium to produce the required anomalous dispersion, which decreases the... [Phys. Rev. A 89, 053804] Published Mon May 05, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 75
    Publication Date: 2014-03-20
    Description: Author(s): Eleana Makri, Hamidreza Ramezani, Tsampikos Kottos, and Ilya Vitebskiy Optical limiters are designed to transmit low-intensity light, while blocking the light with excessively high intensity. A typical passive limiter absorbs excessive electromagnetic energy, which can cause its overheating and destruction. We propose the concept of a photonic reflective limiter based ... [Phys. Rev. A 89, 031802] Published Wed Mar 19, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 76
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    American Physical Society (APS)
    Publication Date: 2014-03-20
    Description: Author(s): Claudio Conti and Robert Boyd A transparent material exhibits ultrafast optical nonlinearity and is subject to optical pressure if irradiated by a laser beam. However, the effect of nonlinearity on optical pressure is often overlooked, even if a nonlinear optical pressure may be potentially employed in many applications, such as... [Phys. Rev. A 89, 033834] Published Wed Mar 19, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 77
    Publication Date: 2014-05-01
    Description: Author(s): Eran Sela, Achim Rosch, and Victor Fleurov Motivated by recent experiments reporting Bose-Einstein condensation of light coupled to incoherent dye molecules in a microcavity, we show that due to a dimensionality mismatch between the two-dimensional cavity photons and the three-dimensional arrangement of molecules, the system permits superflu... [Phys. Rev. A 89, 043844] Published Wed Apr 30, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 78
    Publication Date: 2014-04-25
    Description: Author(s): S. Gammelmark, K. Mølmer, W. Alt, T. Kampschulte, and D. Meschede We analyze the quantum jumps of an atom interacting with a cavity field, where strong coupling makes the cavity transmission depend on the time-dependent atomic state. In our analysis we employ a Bayesian approach that conditions the population of the atomic states at time t on the cavity transmissi... [Phys. Rev. A 89, 043839] Published Thu Apr 24, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 79
    facet.materialart.
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    American Physical Society (APS)
    Publication Date: 2014-04-26
    Description: Author(s): V. Besse, H. Leblond, and G. Boudebs We report experimental observation of light filamentation in carbon disulfide (CS2). Accurate measurements of the nonlinear index show an unusual saturation law of the Kerr effect, which is used to build a model of light propagation in CS2, which describes the filamentation in good agreement with ex... [Phys. Rev. A 89, 043840] Published Fri Apr 25, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 80
    Publication Date: 2014-01-25
    Description: Author(s): Chao-Qing Dai (戴朝卿), Xiao-Gang Wang (汪小刚), and Guo-Quan Zhou (周国泉) Analytical light-bullet solutions of a (3+1)-dimensional nonlinear Schrödinger equation with inhomogeneous diffraction or dispersion and nonlinearity in the presence of the harmonic and parity-time-symmetric potentials are explored. Diffraction or dispersion and nonlinearity play important roles in ... [Phys. Rev. A 89, 013834] Published Fri Jan 24, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 81
    Publication Date: 2014-01-25
    Description: Author(s): Andrey Komarov, Konstantin Komarov, Alioune Niang, and François Sanchez It has been shown by numerical simulation that the nonlinear interaction between a laser soliton and an injected monochromatic cw results in their phase locking. As a consequence, the velocity of the soliton begins to depend on the amplitude and frequency of the injected radiation. It has been found... [Phys. Rev. A 89, 013833] Published Fri Jan 24, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 82
    Publication Date: 2014-01-25
    Description: Author(s): Aurélien Coillet, John Dudley, Goëry Genty, Laurent Larger, and Yanne K. Chembo We report a theoretical study showing that rogue waves can emerge in whispering-gallery-mode resonators as the result of the chaotic interplay between Kerr nonlinearity and anomalous group-velocity dispersion. The nonlinear dynamics of the propagation of light in a whispering-gallery-mode resonator ... [Phys. Rev. A 89, 013835] Published Fri Jan 24, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 83
    Publication Date: 2014-01-25
    Description: Author(s): O. Vázquez-Candanedo, J. C. Hernández-Herrejón, F. M. Izrailev, and D. N. Christodoulides We investigate the properties of parity-time (PT)-symmetric tight-binding models by considering both bounded and unbounded models. For the bounded case, we obtain closed form expressions for the corresponding energy spectra and we analyze the structure of eigenstates as well as their dependence on t... [Phys. Rev. A 89, 013832] Published Fri Jan 24, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 84
    Publication Date: 2014-01-30
    Description: Author(s): Olivier Emile, Morgane Le Meur, and Janine Emile The question of the transfer of angular momentum from light to objects is a key issue in optical tweezers and thus raises issues in physics, chemistry, and biology. Most of the attempts have been performed either with spin angular momentum using light's polarization or using orbital angular momentum... [Phys. Rev. A 89, 013846] Published Wed Jan 29, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 85
    Publication Date: 2014-01-30
    Description: Author(s): Eyob A. Sete and Hichem Eleuch We investigate nonlinear effects in an electromechanical system consisting of a superconducting charge qubit coupled to a transmission line resonator and a nanomechanical oscillator, which in turn is coupled to another transmission line resonator. The nonlinearities induced by the superconducting qu... [Phys. Rev. A 89, 013841] Published Wed Jan 29, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 86
    Publication Date: 2014-01-31
    Description: Author(s): Daria O. Ignatyeva and Anatoly P. Sukhorukov The collision of the two surface plasmon polariton pulses at the interface between a metal and a dielectric with cubic nonlinearity is investigated. We reveal the possibility of the reflection of a weak signal surface plasmon from the strong pump plasmon pulse resulting in the time delay and spectra... [Phys. Rev. A 89, 013850] Published Thu Jan 30, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 87
    Publication Date: 2014-02-26
    Description: Author(s): Chang-Kai Chiu, Yi-Hsin Chen, Yen-Chun Chen, Ite A. Yu, Ying-Cheng Chen, and Yong-Fan Chen We observed electromagnetically induced transparency-based four-wave mixing (FWM) in the pulsed regime at low light levels. The FWM conversion efficiency of 3.8(9)% was observed in a four-level system of cold 87Rb atoms using a driving laser pulse with a peak intensity of ≈80 μW/cm2, corresponding t... [Phys. Rev. A 89, 023839] Published Mon Feb 24, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 88
    Publication Date: 2014-02-27
    Description: Author(s): Rong-Xin Chen, Li-Tuo Shen, Zhen-Biao Yang, Huai-Zhi Wu, and Shi-Biao Zheng We consider a coupled cavity optomechanical setup driven by a periodically modulated pump. We investigate the asymptotic behaviors of Heisenberg operator mean values and mechanical entanglement. It is shown that the system will acquire the same period of the modulation in the long time limit and, co... [Phys. Rev. A 89, 023843] Published Wed Feb 26, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 89
    facet.materialart.
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    American Physical Society (APS)
    Publication Date: 2014-02-12
    Description: Author(s): Keyu Xia (夏可宇) We study the slowing, storing, and releasing of microwave pulses in a superconducting circuit composed of two coplanar waveguide resonators and a superconducting transmon-type qubit. The quantum interference analogy to electromagnetically induced transparency is created in two coupled resonators. By... [Phys. Rev. A 89, 023815] Published Tue Feb 11, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 90
    Publication Date: 2014-02-14
    Description: Author(s): Motoaki Bamba and Tetsuo Ogawa When the light interacts with matters in a lossy cavity, in the standard cavity quantum electrodynamics, the dissipation of cavity fields is characterized simply by the strengths of the two couplings: the light-matter interaction and the system-environment coupling through the cavity mirror. However... [Phys. Rev. A 89, 023817] Published Thu Feb 13, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 91
    Publication Date: 2014-02-14
    Description: Author(s): Giulio Guzzinati, Laura Clark, Armand Béché, and Jo Verbeeck The recent demonstration of electron vortex beams has opened up the new possibility of studying orbital angular momentum (OAM) in the interaction between electron beams and matter. To this aim, methods to analyze the OAM of an electron beam are fundamentally important and a necessary next step. We d... [Phys. Rev. A 89, 025803] Published Thu Feb 13, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 92
    Publication Date: 2014-02-26
    Description: Author(s): A. Marini, Tr. X. Tran, S. Roy, S. Longhi, and F. Biancalana We study analytically and numerically an optical analog of tachyon condensation in amplifying plasmonic arrays. Optical propagation is modeled through coupled-mode equations, which in the continuous limit can be converted into a nonlinear one-dimensional Dirac-like equation for fermionic particles w... [Phys. Rev. A 89, 023840] Published Mon Feb 24, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 93
    Publication Date: 2014-02-27
    Description: Author(s): A. Jarnac, M. Durand, A. Houard, Y. Liu, B. Prade, M. Richardson, and A. Mysyrowicz We demonstrate spatiotemporal cleaning of a femtosecond laser pulse impinging on two counterpropagating filaments in air. The retroreflected signal essentially has a perfect beam profile. Prepulses present in the incident pulse are also efficiently removed. The performance of the “filament mirror” i... [Phys. Rev. A 89, 023844] Published Wed Feb 26, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 94
    Publication Date: 2014-03-22
    Description: Author(s): Andrei Gorodetsky, Anastasios D. Koulouklidis, Maria Massaouti, and Stelios Tzortzakis We propose a comprehensive physical model explaining the conical character of broadband terahertz generation from femtosecond two-color laser-induced air plasma filaments. We show, that, in contrast to other models, emission is always conical, resulting from phase matching of the radiation produced ... [Phys. Rev. A 89, 033838] Published Fri Mar 21, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 95
    Publication Date: 2014-03-22
    Description: Author(s): Mathew D. Williams, Matt M. Coles, David S. Bradshaw, and David L. Andrews A detailed scheme is established for the direct generation of optical vortices, signifying light endowed with orbital angular momentum. In contrast to common techniques based on the tailored conversion of the wave front in a conventional beam, this method provides for the direct spontaneous emission... [Phys. Rev. A 89, 033837] Published Fri Mar 21, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 96
    Publication Date: 2014-03-25
    Description: Author(s): Jason Cornelius Pillay, Yuki Natsume, A. Douglas Stone, and Y. D. Chong A recent S-matrix-based theory of the quantum-limited linewidth, which is applicable to general lasers, including spatially nonuniform laser cavities operating above threshold, is analyzed in various limits. For broadband gain, a simple interpretation of the Petermann and bad-cavity factors is prese... [Phys. Rev. A 89, 033840] Published Mon Mar 24, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 97
    Publication Date: 2014-03-26
    Description: Author(s): Guihua Li, Chenrui Jing, Bin Zeng, Hongqiang Xie, Jinping Yao, Wei Chu, Jielei Ni, Haisu Zhang, Huailiang Xu, Ya Cheng, and Zhizhan Xu Recently, Yao et al. demonstrated the creation of coherent emissions in nitrogen gas with two-color (800 nm + 400 nm) ultrafast laser pulses [J. Yao, G. Li, C. Jing, B. Zeng, W. Chu, J. Ni, H. Zhang, H. Xie, C. Zhang, H. Li, H. Xu, S. L. Chin, Y. Cheng, and Z. Xu, New J. Phys. 15, 023046 (2013)]. Ba... [Phys. Rev. A 89, 033833] Published Tue Mar 25, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 98
    Publication Date: 2014-03-26
    Description: Author(s): A. Ruhlandt, M. Krenkel, M. Bartels, and T. Salditt We present a solution to the phase problem in near-field x-ray (propagation) imaging. The three-dimensional complex-valued index of refraction is reconstructed from a set of projections recorded in the near-field (Fresnel) setting at a single detector distance. The solution is found by an iterative ... [Phys. Rev. A 89, 033847] Published Tue Mar 25, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
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  • 99
    Publication Date: 2014-03-26
    Description: Author(s): Finbarr O'Callaghan, Simon Osborne, and Stephen O'Brien We present an experimental and theoretical study of modal nonlinear dynamics in a specially designed dual-mode semiconductor Fabry-Pérot laser with a saturable absorber. At zero bias applied to the absorber section, we have found that with increasing device current, single-mode self-pulsations evolv... [Phys. Rev. A 89, 033848] Published Tue Mar 25, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
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  • 100
    Publication Date: 2014-03-26
    Description: Author(s): Q. Liao and U. Thumm We analyze the dependence of attosecond streaked photoelectron spectra and photoemission time delays from valence band (VB) and 2p core-level (CL) states of a single-crystalline Mg(0001) thin film on the (i) modeling of the substrate electronic structure, (ii) electron mean free path (MFP), (iii) sc... [Phys. Rev. A 89, 033849] Published Tue Mar 25, 2014
    Keywords: Quantum optics, physics of lasers, nonlinear optics, classical optics
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
    Location Call Number Expected Availability
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