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J. Phys. I France 6 (1996) 11431152 SEPTEMBER 1996, PAGE 1143 Equilibrium Properties of the Ising Frustrated Lattice Gas
 

Summary: J. Phys. I France 6 (1996) 1143­1152 SEPTEMBER 1996, PAGE 1143
Equilibrium Properties of the Ising Frustrated Lattice Gas
Jeferson J. Arenzon (), Mario Nicodemi and Mauro Sellitto
Dipartimento di Scienze Fisiche (
), Universit`a di Napoli `Federico II', Pad. 19,
Mostra d'Oltremare, 80125, Napoli, Italy
(Received 1 March 1996, revised 30 April 1996, accepted 10 May 1996)
PACS.05.50.+q ­ Lattice theory and statistics; Ising problems
PACS.64.70.Pf ­ Glass transitions
PACS.75.10.Nr ­ Spin-glass and other random models
Abstract. -- We study the equilibrium properties of an Ising frustrated lattice gas with a
mean field replica approach. This model bridges usual Spin Glasses and a version of Frustrated
Percolation model, and has proven relevant to describe the glass transition. It shows a rich
phase diagram which in a definite limit reduces to the known Sherrington-Kirkpatrick spin glass
model.
1. Introduction
The Ising Spin Glass transition has been discovered to describe many seemingly different
phenomena, and to model real systems much beyond what originally thought [1]. The idea
of introducing frustrated Hamiltonians to capture the essential physics of glasses, random
media properties, evolutionary models, protein and RNA folding, granular packing, dynamics

  

Source: Arenzon, Jeferson J. - Instituto de Física, Universidade Federal do Rio Grande do Sul

 

Collections: Physics