Themain goal of the paper is to prove central limit theorems for the magnetization rescaled by the square root of N for the Ising model on random graphs with N vertices.Both random quenched and averaged quenched measures are considered.We work in the uniqueness regime β > βc or β > 0 and B not equal to 0, where β is the inverse temperature, βc is the critical inverse temperature and B is the external magnetic field. In the random quenched setting our results apply to general tree-like random graphs (as introduced by Dembo, Montanari and further studied by Dommers and the first and third author) and our proof follows that of Ellis in Z^d. For the averaged quenched setting, we specialize to two particular random graph models, namely the 2-regular configuration model and the configuration model with degrees 1 and 2. In these cases our proofs are based on explicit computations relying on the solution of the one dimensional Ising models

Quenched Central Limit Theorems for the Ising Model on Random Graphs / Giardina', Cristian; Giberti, Claudio; van der Hofstad, Remco; Prioriello, MARIA LUISA. - In: JOURNAL OF STATISTICAL PHYSICS. - ISSN 0022-4715. - STAMPA. - 160:6(2015), pp. 1623-1657. [10.1007/s10955-015-1302-1]

Quenched Central Limit Theorems for the Ising Model on Random Graphs

GIARDINA', Cristian;GIBERTI, Claudio;PRIORIELLO, MARIA LUISA
2015

Abstract

Themain goal of the paper is to prove central limit theorems for the magnetization rescaled by the square root of N for the Ising model on random graphs with N vertices.Both random quenched and averaged quenched measures are considered.We work in the uniqueness regime β > βc or β > 0 and B not equal to 0, where β is the inverse temperature, βc is the critical inverse temperature and B is the external magnetic field. In the random quenched setting our results apply to general tree-like random graphs (as introduced by Dembo, Montanari and further studied by Dommers and the first and third author) and our proof follows that of Ellis in Z^d. For the averaged quenched setting, we specialize to two particular random graph models, namely the 2-regular configuration model and the configuration model with degrees 1 and 2. In these cases our proofs are based on explicit computations relying on the solution of the one dimensional Ising models
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Quenched Central Limit Theorems for the Ising Model on Random Graphs / Giardina', Cristian; Giberti, Claudio; van der Hofstad, Remco; Prioriello, MARIA LUISA. - In: JOURNAL OF STATISTICAL PHYSICS. - ISSN 0022-4715. - STAMPA. - 160:6(2015), pp. 1623-1657. [10.1007/s10955-015-1302-1]
Giardina', Cristian; Giberti, Claudio; van der Hofstad, Remco; Prioriello, MARIA LUISA
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1070919
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