, Volume 35, Issue 4, pp 307-320

Strong cluster properties for classical systems with finite range interaction

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In a previous paper, “strong” decrease properties of the truncated correlation functions, taking into account the separation of all particles with respect to each other, have been presented and discussed.

In this paper, we prove these properties for finite range interactions in various situations, in particular

  1. at low activity for lattice and continuous systems,

  2. at arbitrary activity and high temperature for lattice systems,

  3. at ReH≠0, β arbitrary and atH=0 for appropriate temperatures in the case of ferromagnets.

We also give some general results, in particular an equivalence, on the links between analyticity and strong cluster properties of the truncated correlation functions.

«Equipe de Recherche Associée au C.N.R.S.»
Communicated by G. Gallavotti