Functional Integration in Bose Systems with Hard-Core Interaction

1996/08/05 by K. Ziegler, Ziegler, K.
Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #Cold Atom Physics and Bose-Einstein Condensates #Condensed Matter (cond-mat) #FOS: Physical sciences #Quantum, superfluid, helium dynamics #cond-mat

paper · pdf · doi:10.48550/arxiv.cond-mat/9608017

Latex, 5 pages, 1 figure

arxiv created 1996/08/05 · openalex publication_date 1996/08/05 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

A grand canonical ensemble of interacting bosons is considered. The zero temperature phase diagram is evaluated from the mean-field approximation of the functional integral. Three phases are found: a superfluid, a normal fluid and a Mott insulator.

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