Collective oscillations of a 1D trapped Bose gas

Details Collective oscillations of a 1D trapped Bose gas Collective oscillations of a 1D trapped Bose gas

2002-01-10

arxiv.org/abs/cond-mat/0201158v1

Phys. Rev. A 66, 043610 (2002)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 2 figures

Scientific paper

10.1103/PhysRevA.66.043610

Starting from the hydrodynamic equations of superfluids, we calculate the frequencies of the collective oscillations of a harmonically trapped Bose gas for various 1D configurations. These include the mean field regime described by Gross-Pitaevskii theory and the beyond mean field regime at small densities described by Lieb-Liniger theory. The relevant combinations of the physical parameters governing the transition between the different regimes are discussed.

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