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arXiv 1111.5566cond-mat.stat-mech
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随机驱动系统稳态heat capacity的模型研究

Model study on steady heat capacity in driven stochastic systems

Jiri Pesek, Eliran Boksenbojm, Karel Netocny

摘要:

我们探讨了两个和三个状态的马尔可夫模型驱动的热平衡的非势的力量来证明的基本性质的基础上的准静态过剩热的概念的稳态热容。结果表明,足够大的驱动力可以使稳态热容为负。对于低温和高温制度,我们提出了一个近似的热力学方案的“动态重整化”的有效能级。

英文摘要:

We explore two- and three-state Markov models driven out of thermal equilibrium by non-potential forces to demonstrate basic properties of the steady heat capacity based on the concept of quasistatic excess heat. It is shown that large enough driving forces can make the steady heat capacity negative. For both the low- and high-temperature regimes we propose an approximative thermodynamic scheme in terms of "dynamically renormalized" effective energy levels.

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