دورية أكاديمية
أعرض في EDS

Possible Demonstration of a Polaronic Bose-Einstein(-Mott) Condensate in UO2(+x) by Ultrafast THz Spectroscopy and Microwave Dissipation.

التفاصيل البيبلوغرافية
العنوان: Possible Demonstration of a Polaronic Bose-Einstein(-Mott) Condensate in UO2(+x) by Ultrafast THz Spectroscopy and Microwave Dissipation.
المؤلفون: Conradson SD; Synchrotron Soleil, L'Orme des Merisiers Saint-Aubin, BP 48 91192, Gif-sur-Yvette, France., Gilbertson SM; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545, USA., Daifuku SL; Department of Chemistry, University of Rochester, NY 14627, USA., Kehl JA; Department of Chemistry, University of Rochester, NY 14627, USA., Durakiewicz T; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545, USA., Andersson DA; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545, USA., Bishop AR; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545, USA., Byler DD; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545, USA., Maldonado P; Department of Physics and Astronomy, Uppsala University, S-75120, Uppsala, Sweden., Oppeneer PM; Department of Physics and Astronomy, Uppsala University, S-75120, Uppsala, Sweden., Valdez JA; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545, USA., Neidig ML; Department of Chemistry, University of Rochester, NY 14627, USA., Rodriguez G; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545, USA.
المصدر: Scientific reports [Sci Rep] 2015 Oct 16; Vol. 5, pp. 15278. Date of Electronic Publication: 2015 Oct 16.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
اللغة: English
بيانات الدورية: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: London : Nature Publishing Group, copyright 2011-
مستخلص: Bose-Einstein condensates (BECs) composed of polarons would be an advance because they would combine coherently charge, spin, and a crystal lattice. Following our earlier report of unique structural and spectroscopic properties, we now identify potentially definitive evidence for polaronic BECs in photo- and chemically doped UO2(+x) on the basis of exceptional coherence in the ultrafast time dependent terahertz absorption and microwave spectroscopy results that show collective behavior including dissipation patterns whose precedents are condensate vortex and defect disorder and condensate excitations. That some of these signatures of coherence in an atom-based system extend to ambient temperature suggests a novel mechanism that could be a synchronized, dynamical, disproportionation excitation, possibly via the solid state analog of a Feshbach resonance that promotes the coherence. Such a mechanism would demonstrate that the use of ultra-low temperatures to establish the BEC energy distribution is a convenience rather than a necessity, with the actual requirement for the particles being in the same state that is not necessarily the ground state attainable by other means. A macroscopic quantum object created by chemical doping that can persist to ambient temperature and resides in a bulk solid would be revolutionary in a number of scientific and technological fields.
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تواريخ الأحداث: Date Created: 20151017 Date Completed: 20160210 Latest Revision: 20181113
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC4607891
DOI: 10.1038/srep15278
PMID: 26472071
قاعدة البيانات: MEDLINE
الوصف
تدمد:2045-2322
DOI:10.1038/srep15278