Off-equilibrium dynamics in the energy landscape of a simple model glass

R. Di Leonardo; L. Angelani; G. Parisi; G. Ruocco; A. Scala; F. Sciortino

doi:10.1080/13642810208208539

Off-equilibrium dynamics in the energy landscape of a simple model glass

R. Di Leonardo
, L. Angelani
, G. Parisi
, G. Ruocco
, A. Scala
, F. Sciortino

University of L'Aquila
University of Trento
University of Rome La Sapienza

科研成果: 期刊稿件 › 文章 › 同行评审

4 引用（Scopus）

摘要

The ageing dynamics of a simple model glass are numerically investigated by observing how they occur in the potential energy landscape. Partitioning the landscape in basins of minima of |δV|², we are able to elucidate some interesting topological properties of the ageing process. The main result is the characterization of the long-time behaviour as jump dynamics between basins of attraction of minima. Moreover we extract some information about the landscape itself, determining quantitatively a few parameters describing it, such as the mean energy barrier value and the mean square distance between adjacent minima.

源语言	英语
页（从-至）	163-169
页数	7
期刊	Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
卷	82
期	2
DOI	https://doi.org/10.1080/13642810208208539
出版状态	已出版 - 1月 2002
已对外发布	是

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AU - Angelani, L.

AU - Parisi, G.

AU - Ruocco, G.

AU - Scala, A.

AU - Sciortino, F.

PY - 2002/1

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N2 - The ageing dynamics of a simple model glass are numerically investigated by observing how they occur in the potential energy landscape. Partitioning the landscape in basins of minima of |δV|2, we are able to elucidate some interesting topological properties of the ageing process. The main result is the characterization of the long-time behaviour as jump dynamics between basins of attraction of minima. Moreover we extract some information about the landscape itself, determining quantitatively a few parameters describing it, such as the mean energy barrier value and the mean square distance between adjacent minima.

AB - The ageing dynamics of a simple model glass are numerically investigated by observing how they occur in the potential energy landscape. Partitioning the landscape in basins of minima of |δV|2, we are able to elucidate some interesting topological properties of the ageing process. The main result is the characterization of the long-time behaviour as jump dynamics between basins of attraction of minima. Moreover we extract some information about the landscape itself, determining quantitatively a few parameters describing it, such as the mean energy barrier value and the mean square distance between adjacent minima.

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JF - Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties

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ER -

Off-equilibrium dynamics in the energy landscape of a simple model glass

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