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通讯:能否通过分析两态轨迹来识别三态系统中的非平衡态?

Communications: Can one identify nonequilibrium in a three-state system by analyzing two-state trajectories?

机构信息

II. Institut für Theoretische Physik, Universität Stuttgart, Stuttgart 70550, Germany.

出版信息

J Chem Phys. 2010 Jan 28;132(4):041102. doi: 10.1063/1.3294567.

DOI:10.1063/1.3294567
PMID:20113010
Abstract

For a three-state Markov system in a stationary state, we discuss whether, on the basis of data obtained from effective two-state (or on-off) trajectories, it is possible to discriminate between an equilibrium state and a nonequilibrium steady state. By calculating the full phase diagram we identify a large region where such data will be consistent only with nonequilibrium conditions. This regime is considerably larger than the region with oscillatory relaxation, which has previously been identified as a sufficient criterion for nonequilibrium.

摘要

对于处于稳态的三态马尔可夫系统,我们讨论了是否可以根据从有效两态(或开-关)轨迹中获得的数据来区分平衡态和非平衡稳态。通过计算全相图,我们确定了一个较大的区域,在该区域中,只有在非平衡条件下,这些数据才是一致的。与先前被认为是非平衡充分条件的振荡弛豫区域相比,该区域要大得多。

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