Communications in Mathematical Physics

, Volume 59, Issue 1, pp 53-69

First online:

Analyticity and clustering properties of unbounded spin systems

  • H. KunzAffiliated withLaboratoire de Physique Théorique, Ecole Polytechnique Fédérale de Lausanne

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Transforming any lattice system in a polymer model, we use known analytic and cluster properties of the latter to derive similar ones for general lattice models with two-body interactions. These properties of the lattice model hold when the temperature is high enough.