Free-energy barriers in the Sherrington-Kirkpatrick model

被引：0

作者：

Aspelmeier, T. ^{[1
]}

Moore, M. A. ^{[2
]}

机构：

[1] Georg August Univ Gottingen, Inst Theoret Phys, D-37077 Gottingen, Germany

[2] Univ Manchester, Dept Phys & Astron, Manchester M13 9PL, Lancs, England

来源：

PHYSICAL REVIEW E | 2022年 / 105卷 / 03期

关键词：

METASTABLE STATES; SOLVABLE MODEL; MASSLESS MODES; SPIN; DYNAMICS; STABILITY; BREAKING; NUMBER; FIELD;

D O I：

10.1103/PhysRevE.105.034138

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The Sherrington-Kirkpatrick spin-glass model is investigated by means of Monte Carlo simulations by employing a combination of the multi-overlap algorithm with parallel tempering methods. We investigate the finite-size scaling behaviour of the free-energy barriers which are visible in the probability density of the Parisi overlap parameter. Assuming that the mean barrier height diverges with the number of spins N as N-alpha, our data show good agreement with the theoretical value alpha = 1/3.

引用

页数：14

共 41 条

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