Phase Fluctuations in Atomic Bose Gases

J. O. Andersen; U. Al Khawaja; H. T.C. Stoof

doi:10.1103/PhysRevLett.88.070407

Phase Fluctuations in Atomic Bose Gases

J. O. Andersen, U. Al Khawaja, H. T.C. Stoof

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

We improve on the Popov theory for partially Bose-Einstein condensed atomic gases by treating the phase fluctuations exactly. As a result, the theory becomes valid in arbitrary dimensions and is able to describe the low-temperature crossover between three-, two-, and one-dimensional Bose gases, which is currently being explored experimentally. We consider both homogeneous and trapped Bose gases.

Original language	English
Pages (from-to)	4
Number of pages	1
Journal	Physical Review Letters
Volume	88
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.88.070407
Publication status	Published - 2002
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.88.070407

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abstract = "We improve on the Popov theory for partially Bose-Einstein condensed atomic gases by treating the phase fluctuations exactly. As a result, the theory becomes valid in arbitrary dimensions and is able to describe the low-temperature crossover between three-, two-, and one-dimensional Bose gases, which is currently being explored experimentally. We consider both homogeneous and trapped Bose gases.",

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AB - We improve on the Popov theory for partially Bose-Einstein condensed atomic gases by treating the phase fluctuations exactly. As a result, the theory becomes valid in arbitrary dimensions and is able to describe the low-temperature crossover between three-, two-, and one-dimensional Bose gases, which is currently being explored experimentally. We consider both homogeneous and trapped Bose gases.

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DO - 10.1103/PhysRevLett.88.070407

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JO - Physical Review Letters

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Phase Fluctuations in Atomic Bose Gases

Abstract

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