Convex-envelope formulation for separable many-particle interactions

J.H.H. Perk, H.W. Capel and L.W.J. den Ouden

Physica A: Statistical Mechanics and its Applications, 1977, vol. 89, issue 3, 555-568

Abstract: The exact result for the free energy per particle in systems described by a hamiltonian of the type NP(VN), where NVN denotes a set of short-range operators, is reformulated in terms of a convex-envelope construction. A comparison is given with results obtained for classical systems with interactions of the so-called Kac-type.

Date: 1977
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:89:y:1977:i:3:p:555-568

DOI: 10.1016/0378-4371(77)90081-4

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