Pair correlations in a finite-temperature 1D Bose gas

Details Pair correlations in a finite-temperature 1D Bose gas Pair correlations in a finite-temperature 1D Bose gas

2002-12-06

arxiv.org/abs/cond-mat/0212153v4

Phys. Rev. Lett. 91, 040403 (2003)

Physics

Condensed Matter

Statistical Mechanics

Final published version; minor technical changes

Scientific paper

10.1103/PhysRevLett.91.040403

We calculate the two-particle local correlation for an interacting 1D Bose gas at finite temperature and classify various physical regimes. We present the exact numerical solution by using the Yang-Yang equations and Hellmann-Feynman theorem and develop analytical approaches. Our results draw prospects for identifying the regimes of coherent output of an atom laser, and of finite-temperature ''fermionization'' through the measurement of the rates of two-body inelastic processes, such as photo-association.

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