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24 January 2021
 
  » arxiv » cond-mat/0408169

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Low-temperature crossover in the momentum distribution of cold atomic gases in one dimension
Vadim V. Cheianov ; H. Smith ; M. B. Zvonarev ;
Date 8 Aug 2004
Subject Other | cond-mat.other
AbstractThe momentum distribution function for the two-component 1D gases of bosons and fermions is studied in the limit of strong interatomic repulsion. A pronounced reconstruction of the distribution is found at a temperature much smaller than the Fermi temperature. This new temperature scale, which equals the Fermi temperature divided by the dimensionless coupling strength, is a feature of the two-component model and does not exist in the one-component case. We estimate the parameters relevant for the experimental observation of the crossover effect.
Source arXiv, cond-mat/0408169
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