Comment on "Strongly interacting one-dimensional Bose-Einstein condensates in harmonic traps"

Details Comment on "Strongly interacting one-dimensional Bose-Einstein condensates in harmonic traps" Comment on "Strongly interacting one-dimensional Bose-Einstein condensates in harmonic traps"

2000-10-27

arxiv.org/abs/cond-mat/0010457v1

Physics

Condensed Matter

Soft Condensed Matter

1 1/2 pages, no figures

Scientific paper

A recent paper of Tanatar and Erkan [Phys. Rev. A 62, 053601 (2000)] discusses a density functional approach to the impenetrable point Bose gas in one dimension and an equation for the order parameter of the system, due originally to Kolomeisky et al. [Phys. Rev. Lett. 85, 1146 (2000)], is derived. We comment on the regime of validity of such a model and on qualitative differences between predictions of the density functional approach and known exact results.

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