Bose-einstein condensation temperature of a homogeneous weakly interacting bose gas: Path integral monte carlo study

Kwangsik Nho, D. P. Landau

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Abstract

The interaction-induced shift of the phase-transition temperature for Bose-Einstein condensation of homogeneous weakly interacting Bose gases in three dimensions was investigated. A finite-temperature path integral Monte Carlo simulation (PIMC) method and finite-size scaling was used for the investigation . The superfluid fraction was calculated and the critical temperature for various hard-sphere diameters at a fixed number density was estimated. The results show that interaction-induced shift of the phase transition temperature depend strongly on the interaction strength an 1/3.

Original languageEnglish (US)
Article number053614
Pages (from-to)053614-1-053614-5
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume70
Issue number5 B
DOIs
StatePublished - Nov 1 2004

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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