Stability and phase coherence of trapped 1D Bose gases

Details Stability and phase coherence of trapped 1D Bose gases Stability and phase coherence of trapped 1D Bose gases

2002-07-13

arxiv.org/abs/cond-mat/0207338v3

Phys. Rev. Lett. 90, 010401 (2003)

Physics

Condensed Matter

Statistical Mechanics

published version

Scientific paper

10.1103/PhysRevLett.90.010401

We discuss stability and phase coherence of 1D trapped Bose gases and find that inelastic decay processes, such as 3-body recombination, are suppressed in the strongly interacting (Tonks-Girardeau) and intermediate regimes. This is promising for achieving these regimes with a large number of particles. "Fermionization" of the system reduces the phase coherence length, and at T=0 the gas is fully phase coherent only deeply in the weakly interacting (Gross-Pitaevskii) regime.

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