We consider a continuous gas with finite range positive pair potential and we assume that the cluster expansion convergence condition holds. We prove a sharp bound on the difference between the finite volume grand canonical and canonical expectation of local observable. The bound is given in terms of the support of the observable, of its grand canonical variance and of the volume on which the system is confined.

Comparison of finite volume canonical and grand canonical Gibbs measures:the continuous case

CANCRINI, NICOLETTA;
2004

Abstract

We consider a continuous gas with finite range positive pair potential and we assume that the cluster expansion convergence condition holds. We prove a sharp bound on the difference between the finite volume grand canonical and canonical expectation of local observable. The bound is given in terms of the support of the observable, of its grand canonical variance and of the volume on which the system is confined.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11697/7848
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