Temperature chaos and quenched heterogeneities

Paolo Barucca; Giorgio Parisi; Tommaso Rizzo

doi:10.1103/PhysRevE.89.032129

Temperature chaos and quenched heterogeneities

Paolo Barucca^*
, Giorgio Parisi
, Tommaso Rizzo

^*此作品的通讯作者

University of Rome La Sapienza

科研成果: 期刊稿件 › 文章 › 同行评审

3 引用（Scopus）

摘要

We present a treatable generalization of the Sherrington-Kirkpatrick (SK) model which introduces correlations in the elements of the coupling matrix through multiplicative disorder on the single variables and investigate the consequences on the phase diagram. We define a generalized qEA parameter and test the structural stability of the SK results in this correlated case evaluating the de Almeida-Thouless line of the model. As a main result we demonstrate the increase of temperature chaos effects due to heterogeneities.

源语言	英语
期刊论文编号	032129
期刊	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
卷	89
期	3
DOI	https://doi.org/10.1103/PhysRevE.89.032129
出版状态	已出版 - 24 3月 2014
已对外发布	是

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AB - We present a treatable generalization of the Sherrington-Kirkpatrick (SK) model which introduces correlations in the elements of the coupling matrix through multiplicative disorder on the single variables and investigate the consequences on the phase diagram. We define a generalized qEA parameter and test the structural stability of the SK results in this correlated case evaluating the de Almeida-Thouless line of the model. As a main result we demonstrate the increase of temperature chaos effects due to heterogeneities.

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Temperature chaos and quenched heterogeneities

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