Calogero-Sutherland gas of ultracold Bose atoms

Details Calogero-Sutherland gas of ultracold Bose atoms Calogero-Sutherland gas of ultracold Bose atoms

2006-03-13

arxiv.org/abs/cond-mat/0603340v4

Physics

Condensed Matter

Other Condensed Matter

4 pages,1 figure,update version

Scientific paper

We show that the Calogero-Sutherland (C-S) gas, a famous exact soluble one-dimensional system with an inverse square long range interaction, can be realized by dimension reduction in a cold Bose atom system with a dipole-dipole interaction. Depending on the orientation of the dipoles, the effective interaction is either attractive or repulsive. The low-lying effective theory may be a Luttinger liquid when the exclusion statistics parameter $\lambda$ may be well-defined. We hope that the C-S gas can be realized experimentally and the Luttinger liquid character can be observed.

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