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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Applicability of optimal protocols and the Jarzynski equality
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Applicability of optimal protocols and the Jarzynski equality

机译:最佳协议的适用性和Jarzynski相等性

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摘要

The Jarzynski equality is a well-known and widely used identity, relating the free energy difference between two states of a system to the work done over some arbitrary, nonequilibrium transformation between the two states. Despite being valid for both stochastic and deterministic systems, we show that the optimal transformation protocol for the deterministic case seems to differ from that predicated from an analysis of the stochastic dynamics. In addition, it is shown that for certain situations, more dissipative processes can sometimes lead to better numerical results for the free energy differences.
机译:Jarzynski等式是一个众所周知的且被广泛使用的恒等式,它将系统的两个状态之间的自由能差与在两个状态之间进行的任意,非平衡转换所完成的工作相关联。尽管对随机系统和确定性系统均有效,但我们表明,确定性情况下的最佳转换协议似乎与对随机动力学的分析所确定的协议不同。此外,表明在某些情况下,更多的耗散过程有时会导致自由能差异的更好数值结果。

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