Bose-Einstein condensation in a lattice model

Dorlas, T. C. (2001) Bose-Einstein condensation in a lattice model. (Preprint)

Text DIAS-STP-01-18.pdf Download (316kB)

Abstract

A model of a boson lattice gas is considered with infinite-range hopping and a repulsive single-site potential. It is found that there is a range of critical coupling strengths λ_c1 < λ_c2 < λ_c3 < ... in this model. For coupling strengths between λ_c,k and λ_c,(k+1), Bose-Einstein condensation is suppressed at densities near the integer values p = 1, 2, ... , k. This phenomenon manifests itself also in the the pressure-volume diagram at high pressures. It is suggested that this phenomenon persists for finite-range hopping and might be experimentally observable.

Item Type:	Article
Divisions:	School of Theoretical Physics > Preprints
Date Deposited:	13 Jun 2018 13:09
Last Modified:	16 Dec 2022 02:27
URI:	https://dair.dias.ie/id/eprint/444

Actions (login required)

View Item

Downloads