Observation of transverse Bose-Einstein condensation via Hanbury Brown-Twiss correlations

A fundamental property of a three-dimensional Bose-Einstein condensate is long-range coherence; however, in systems of lower dimensionality, not only is the long-range coherence destroyed but additional states of matter are predicted to exist. One such state is a "transverse condensate," f...

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Bibliographic Details
Published in:Physical review letters 2013-08, Vol.111 (9), p.093601-093601, Article 093601
Main Authors: RuGway, Wu, Manning, A G, Hodgman, S S, Dall, R G, Truscott, A G, Lamberton, T, Kheruntsyan, K V
Format: Article
Language:English
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Summary:A fundamental property of a three-dimensional Bose-Einstein condensate is long-range coherence; however, in systems of lower dimensionality, not only is the long-range coherence destroyed but additional states of matter are predicted to exist. One such state is a "transverse condensate," first predicted by van Druten and Ketterle [Phys. Rev. Lett. 79, 549 (1997)], in which the gas condenses in the transverse dimensions of a highly anisotropic trap while remaining thermal in the longitudinal dimension. Here, we detect the transition from a three-dimensional thermal gas to a gas undergoing transverse condensation by probing Hanbury Brown-Twiss correlations.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.111.093601