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  • Fundamental concepts  (6)
  • Aircraft Propulsion and Power  (4)
  • Astrophysics  (4)
  • Magnetism  (2)
  • *Chromatin Assembly and Disassembly/radiation effects  (1)
  • Cell & Developmental Biology
  • Chemistry
  • 2010-2014  (17)
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Keywords
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Year
  • 1
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    Unified view of correlations using the square-norm distance (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-03-06
    Description: Author(s): Bruno Bellomo, Gian Luca Giorgi, Fernando Galve, Rosario Lo Franco, Giuseppe Compagno, and Roberta Zambrini The distance between a quantum state and its closest state not having a certain property has been used to quantify the amount of correlations corresponding to that property. This approach allows a unified view of the various kinds of correlations present in a quantum system. In particular, using rel... [Phys. Rev. A 85, 032104] Published Mon Mar 05, 2012
    Keywords: Fundamental concepts
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
    Published by American Physical Society (APS)
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  • 2
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    Quantum quenches, thermalization, and many-body localization (2011)
    American Physical Society (APS)
    Details
    Publication Date: 2011-03-31
    Description: Author(s): Elena Canovi, Davide Rossini, Rosario Fazio, Giuseppe E. Santoro, and Alessandro Silva We conjecture that thermalization following a quantum quench in a strongly correlated quantum system is closely connected to many-body delocalization in the space of quasi-particles. This scenario is tested in the anisotropic Heisenberg spin chain with different types of integrability-breaking terms... [Phys. Rev. B 83, 094431] Published Wed Mar 30, 2011
    Keywords: Magnetism
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 3
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    Spin-supersolid phase in Heisenberg chains: A characterization via matrix product states with periodic boundary conditions (2011)
    American Physical Society (APS)
    Details
    Publication Date: 2011-04-26
    Description: Author(s): Davide Rossini, Vittorio Giovannetti, and Rosario Fazio By means of a variational calculation using matrix product states with periodic boundary conditions, we accurately determine the extension of the spin-supersolid phase predicted to exist in the spin-1 anisotropic Heisenberg chain. We compute both the structure factor and the superfluid stiffness and... [Phys. Rev. B 83, 140411] Published Mon Apr 25, 2011
    Keywords: Magnetism
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 4
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    Polarimetric measurements of single-photon geometric phases (2014)
    American Physical Society (APS)
    Details
    Publication Date: 2014-01-25
    Description: Author(s): O. Ortíz, Y. Yugra, A. Rosario, J. C. Sihuincha, J. C. Loredo, M. V. Andrés, and F. De Zela We report polarimetric measurements of geometric phases that are generated by evolving polarized photons along nongeodesic trajectories on the Poincaré sphere. The core of our polarimetric array consists of seven wave plates that are traversed by a single-photon beam. With this array, any SU(2) tran... [Phys. Rev. A 89, 012124] Published Fri Jan 24, 2014
    Keywords: Fundamental concepts
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
    Published by American Physical Society (APS)
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  • 5
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    The bromodomain protein Brd4 insulates chromatin from DNA damage signalling (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-06-04
    Description: DNA damage activates a signalling network that blocks cell-cycle progression, recruits DNA repair factors and/or triggers senescence or programmed cell death. Alterations in chromatin structure are implicated in the initiation and propagation of the DNA damage response. Here we further investigate the role of chromatin structure in the DNA damage response by monitoring ionizing-radiation-induced signalling and response events with a high-content multiplex RNA-mediated interference screen of chromatin-modifying and -interacting genes. We discover that an isoform of Brd4, a bromodomain and extra-terminal (BET) family member, functions as an endogenous inhibitor of DNA damage response signalling by recruiting the condensin II chromatin remodelling complex to acetylated histones through bromodomain interactions. Loss of this isoform results in relaxed chromatin structure, rapid cell-cycle checkpoint recovery and enhanced survival after irradiation, whereas functional gain of this isoform compacted chromatin, attenuated DNA damage response signalling and enhanced radiation-induced lethality. These data implicate Brd4, previously known for its role in transcriptional control, as an insulator of chromatin that can modulate the signalling response to DNA damage.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3683358/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3683358/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Floyd, Scott R -- Pacold, Michael E -- Huang, Qiuying -- Clarke, Scott M -- Lam, Fred C -- Cannell, Ian G -- Bryson, Bryan D -- Rameseder, Jonathan -- Lee, Michael J -- Blake, Emily J -- Fydrych, Anna -- Ho, Richard -- Greenberger, Benjamin A -- Chen, Grace C -- Maffa, Amanda -- Del Rosario, Amanda M -- Root, David E -- Carpenter, Anne E -- Hahn, William C -- Sabatini, David M -- Chen, Clark C -- White, Forest M -- Bradner, James E -- Yaffe, Michael B -- 1-U54-CA112967-04/CA/NCI NIH HHS/ -- ES-002109/ES/NIEHS NIH HHS/ -- P30 CA014051/CA/NCI NIH HHS/ -- P30 ES002109/ES/NIEHS NIH HHS/ -- P30-CA14051/CA/NCI NIH HHS/ -- R01 ES015339/ES/NIEHS NIH HHS/ -- R01-ES15339/ES/NIEHS NIH HHS/ -- R21 CA109661/CA/NCI NIH HHS/ -- R21 NS063917/NS/NINDS NIH HHS/ -- R21-NS063917/NS/NINDS NIH HHS/ -- U54 CA112967/CA/NCI NIH HHS/ -- England -- Nature. 2013 Jun 13;498(7453):246-50. doi: 10.1038/nature12147. Epub 2013 Jun 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23728299" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Adenosine Triphosphatases/metabolism ; Cell Cycle Checkpoints/radiation effects ; Cell Line, Tumor ; Cell Survival/radiation effects ; Chromatin/chemistry/*metabolism/radiation effects ; *Chromatin Assembly and Disassembly/radiation effects ; *DNA Damage ; DNA Repair/radiation effects ; DNA-Binding Proteins/metabolism ; Histones/chemistry/metabolism ; Humans ; Lysine/chemistry/metabolism ; Multiprotein Complexes/metabolism ; Nuclear Proteins/chemistry/deficiency/genetics/*metabolism ; Phosphorylation/radiation effects ; Positive Transcriptional Elongation Factor B/metabolism ; Protein Isoforms/metabolism ; Radiation, Ionizing ; *Signal Transduction/radiation effects ; Transcription Factors/chemistry/deficiency/genetics/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 6
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    Comparative investigation of the freezing phenomena for quantum correlations under nondissipative decoherence (2013)
    American Physical Society (APS)
    Details
    Publication Date: 2013-07-23
    Description: Author(s): Benjamin Aaronson, Rosario Lo Franco, and Gerardo Adesso We show that the phenomenon of frozen discord, exhibited by specific classes of two-qubit states under local nondissipative decoherent evolutions, is a common feature of all known bona fide measures of general quantum correlations. All those measures, despite inducing typically inequivalent ordering... [Phys. Rev. A 88, 012120] Published Mon Jul 22, 2013
    Keywords: Fundamental concepts
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
    Published by American Physical Society (APS)
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  • 7
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    Positivity in the presence of initial system-environment correlation (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-12-13
    Description: Author(s): Kavan Modi, César A. Rodríguez-Rosario, and Alán Aspuru-Guzik The constraints imposed by the initial system-environment correlation can lead to nonpositive dynamical maps. We find the conditions for positivity and complete positivity of such dynamical maps by using the concept of an assignment map. Any initial system-environment correlations make the assignmen... [Phys. Rev. A 86, 064102] Published Wed Dec 12, 2012
    Keywords: Fundamental concepts
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
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  • 8
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    Witnessing the quantumness of a single system: From anticommutators to interference and discord (2013)
    American Physical Society (APS)
    Details
    Publication Date: 2013-05-24
    Description: Author(s): Rosario Fazio, Kavan Modi, Saverio Pascazio, Vlatko Vedral, and Kazuya Yuasa We introduce a method to witness the quantumness of a system. The method relies on the fact that the anticommutator of two classical states is always positive. By contrast, we show that there is always a nonpositive anticommutator due to any two quantum states. We notice that interference depends on... [Phys. Rev. A 87, 052132] Published Thu May 23, 2013
    Keywords: Fundamental concepts
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
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  • 9
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    Dynamical role of system-environment correlations in non-Markovian dynamics (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-07-31
    Description: Author(s): Laura Mazzola, César A. Rodríguez-Rosario, Kavan Modi, and Mauro Paternostro We analyze the role played by system-environment correlations in the emergence of non-Markovian dynamics. By working within the framework developed in Breuer et al. [ Phys. Rev. Lett. 103 210401 (2009) ], we unveil a fundamental connection between non-Markovian behavior and dynamics of system-enviro... [Phys. Rev. A 86, 010102] Published Mon Jul 30, 2012
    Keywords: Fundamental concepts
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
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  • 10
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    Bulge Growth and Quenching Since Z=2.5 in Candels/3D-HST (2014)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Exploiting the deep high-resolution imaging of all 5 CANDELS fields, and accurate redshift informationprovided by 3D-HST, we investigate the relation between structure and stellar populations fora mass-selected sample of 6764 galaxies above 1010 M, spanning the redshift range 0.5 z 2.5.For the first time, we fit 2-dimensional models comprising a single Sersic fit and two-component (i.e.,bulge + disk) decompositions not only to the H-band light distributions, but also to the stellar massmaps reconstructed from resolved stellar population modeling. We confirm that the increased bulgeprominence among quiescent galaxies, as reported previously based on rest-optical observations, remainsin place when considering the distributions of stellar mass. Moreover, we observe an increaseof the typical Sersic index and bulge-to-total ratio (with median BT reaching 40-50) among starforminggalaxies above 1011 M. Given that quenching for these most massive systems is likely tobe imminent, our findings suggest that significant bulge growth precedes a departure from the starformingmain sequence. We demonstrate that the bulge mass (and ideally knowledge of the bulge andtotal mass) is a more reliable predictor of the star-forming versus quiescent state of a galaxy thanthe total stellar mass. The same trends are predicted by the state-of-the-art semi-analytic model bySomerville et al. In the latter, bulges and black holes grow hand in hand through merging andordisk instabilities, and AGN-feedback shuts off star formation. Further observations will be requiredto pin down star formation quenching mechanisms, but our results imply they must be internal to thegalaxies and closely associated with bulge growth.
    Keywords: Astrophysics
    Type: GSFC-E-DAA-TN14869 , The Astrophysical Journal; 788; 1; 11
    Format: application/pdf
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