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Thermodynamic limit and proof of condensation for trapped bosons

Authors
  • Suto, Andras
Type
Published Article
Publication Date
Aug 06, 2003
Submission Date
Aug 03, 2002
Identifiers
arXiv ID: cond-mat/0208065
Source
arXiv
License
Unknown
External links

Abstract

We study condensation of trapped bosons in the limit when the number of particles tends to infinity. For the noninteracting gas we prove that there is no phase transition in any dimension, but in any dimension at any temperature the system is 100% condensated into the one-particle ground state. In the case of an interacting gas we show that for a family of suitably scaled pair interactions, the Gross-Pitaevskii scaling included, a less-than-100% condensation into a one-particle eigenstate, which may depend on the interaction strength, persists at all temperatures.

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