Interaction-induced Crossover Versus Finite-size Condensation In A Weakly Interacting Trapped One-dimensional Bose Gas

Bouchoule, I., Kheruntsyan, K. V. and Shlyapnikov, G. V. (2007) Interaction-induced Crossover Versus Finite-size Condensation In A Weakly Interacting Trapped One-dimensional Bose Gas. Physical Review A, 75 3: 031606-1-031606-4. doi:10.1103/PhysRevA.75.031606

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Author Bouchoule, I.
Kheruntsyan, K. V.
Shlyapnikov, G. V.
Title Interaction-induced Crossover Versus Finite-size Condensation In A Weakly Interacting Trapped One-dimensional Bose Gas
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 2007-03-28
Sub-type Article (original research)
DOI 10.1103/PhysRevA.75.031606
Open Access Status File (Publisher version)
Volume 75
Issue 3
Start page 031606-1
End page 031606-4
Total pages 4
Place of publication College Park, MD, United States
Publisher American Physical Society
Collection year 2008
Language eng
Abstract We discuss the transition from a fully decoherent to a (quasi)condensate regime in a harmonically trapped weakly interacting one-dimensional (1D) Bose gas. By using analytic approaches and verifying them against exact numerical solutions, we find a characteristic crossover temperature and crossover atom number that depend on the interaction strength and the trap frequency. We then identify the conditions for observing either an interaction-induced crossover scenario or else a finite-size Bose-Einstein condensation phenomenon characteristic of an ideal trapped 1D gas.
Keyword Optics
Q-Index Code C1
Q-Index Status Confirmed Code

 
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Created: Tue, 06 May 2008, 11:24:39 EST by Stephanie Golding on behalf of School of Mathematics & Physics