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Effect of disorder close to the superfluid transition in a two-dimensional Bose gas
hal.structure.identifier | Laboratoire Charles Fabry / Optique atomique | |
dc.contributor.author | ALLARD, Baptiste | |
hal.structure.identifier | Laboratoire Charles Fabry / Optique atomique | |
dc.contributor.author | PLISSON, Thomas | |
hal.structure.identifier | Laboratoire de Physique Théorique de la Matière Condensée [LPTMC] | |
hal.structure.identifier | Laboratoire de physique et modélisation des milieux condensés [LPM2C] | |
dc.contributor.author | HOLZMANN, Markus | |
hal.structure.identifier | Laboratoire Charles Fabry / Optique atomique | |
dc.contributor.author | SALOMON, Guillaume | |
hal.structure.identifier | Laboratoire Charles Fabry / Optique atomique | |
dc.contributor.author | ASPECT, Alain | |
hal.structure.identifier | lp2n-02,lp2n-11 | |
hal.structure.identifier | Laboratoire Charles Fabry / Optique atomique | |
dc.contributor.author | BOUYER, Philippe | |
hal.structure.identifier | Laboratoire Charles Fabry / Optique atomique | |
dc.contributor.author | BOURDEL, Thomas | |
dc.date.accessioned | 2023-05-12T10:26:56Z | |
dc.date.available | 2023-05-12T10:26:56Z | |
dc.date.created | 2011-12-05 | |
dc.date.issued | 2012 | |
dc.identifier.issn | 1050-2947 | |
dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/181287 | |
dc.description.abstractEn | We experimentally study the effect of disorder on trapped quasi two-dimensional (2D) 87Rb clouds in the vicinity of the Berezinskii-Kosterlitz-Thouless (BKT) phase transition. The disorder correlation length is of the order of the Bose gas characteristic length scales (thermal de Broglie wavelength, healing length) and disorder thus modifies the physics at a microscopic level. We analyze the coherence properties of the cloud through measurements of the momentum distributions, for two disorder strengths, as a function of its degeneracy. For moderate disorder, the emergence of coherence remains steep but is shifted to a lower entropy. In contrast, for strong disorder, the growth of coherence is hindered. Our study is an experimental realization of the dirty boson problem in a well controlled atomic system suitable for quantitative analysis. | |
dc.language.iso | en | |
dc.publisher | American Physical Society | |
dc.title.en | Effect of disorder close to the superfluid transition in a two-dimensional Bose gas | |
dc.type | Article de revue | |
dc.subject.hal | Physique [physics]/Matière Condensée [cond-mat]/Gaz Quantiques [cond-mat.quant-gas] | |
dc.identifier.arxiv | 1112.0985 | |
bordeaux.journal | Physical Review A : Atomic, molecular, and optical physics [1990-2015] | |
bordeaux.page | 033602 | |
bordeaux.volume | 85 | |
bordeaux.hal.laboratories | Laboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298 | * |
bordeaux.issue | 3 | |
bordeaux.institution | Université de Bordeaux | |
bordeaux.institution | CNRS | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-00648438 | |
hal.version | 1 | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-00648438v1 | |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical%20Review%20A%20:%20Atomic,%20molecular,%20and%20optical%20physics%20%5B1990-2015%5D&rft.date=2012&rft.volume=85&rft.issue=3&rft.spage=033602&rft.epage=033602&rft.eissn=1050-2947&rft.issn=1050-2947&rft.au=ALLARD,%20Baptiste&PLISSON,%20Thomas&HOLZMANN,%20Markus&SALOMON,%20Guillaume&ASPECT,%20Alain&rft.genre=article |
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