Breakdown of time-dependent mean-field theory for a one-dimensional condensate of impenetrable bosons

Details Breakdown of time-dependent mean-field theory for a one-dimensional condensate of impenetrable bosons Breakdown of time-dependent mean-field theory for a one-dimensional condensate of impenetrable bosons

2000-02-25

arxiv.org/abs/cond-mat/0002416v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 2 EPS figures

Scientific paper

10.1103/PhysRevLett.84.5239

We show that the time-dependent nonlinear Schrodinger equation of mean-field
theory has limited utility for a one-dimensional condensate of impenetrable
bosons. Mean-field theory with its associated order parameter predicts
interference between split condensates that are recombined, whereas an exact
many-body treatment shows minimal interference.

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