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arXiv 1502.04828cond-mat.stat-mech
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瓮模型中的凝聚与平衡

Condensation and equilibration in an urn model

Federico Corberi, Giuseppe Gonnella, Alessandro Mossa

摘要:

在回顾了老化系统的标度性质之后,我们对zeta urn模型中由从高温到较低温度的淬火引起的缓慢演化进行了数值研究,其中存在凝聚平衡相。通过考虑一次和两次的数量,我们表明,该模型的功能适合老化系统的一般框架。特别是,它的行为可以被解释为同时存在的平衡和老化程度与不同的标度特性。

英文摘要:

After reviewing the general scaling properties of aging systems, we present a numerical study of the slow evolution induced in the zeta urn model by a quench from a high temperature to a lower one where a condensed equilibrium phase exists. By considering both one-time and two-time quantities we show that the features of the model fit into the general framework of aging systems. In particular, its behavior can be interpreted in terms of the simultaneous existence of equilibrated and aging degrees with different scaling properties.

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