Work distribution for the adiabatic compression of a dilute and interacting classical gas.
Work distribution for the adiabatic compression of a dilute and interacting classical gas.
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稀释且相互作用的经典气体的绝热压缩的功分布。
DOI：
10.1103/physreve.75.021116
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发表时间：
2006
期刊：
影响因子：
--
通讯作者：
C. Jarzynski
中科院分区：
文献类型：
--
作者：
G. Crooks;C. Jarzynski
我们考虑一个简单的，物理动机模型的相互作用的粒子，最初平衡的热浴，经历绝热和准静态压缩或膨胀的稀释经典气体。这提供了一个热力学过程的例子，其中非高斯工作波动可以从微观原理精确计算。我们发现，在这个过程中进行的工作是统计描述的伽玛分布，我们用这个结果来表明，该模型满足非平衡工作和波动定理，但不是基于线性响应理论的预测。
We consider a simple, physically motivated model of a dilute classical gas of interacting particles, initially equilibrated with a heat bath, undergoing adiabatic and quasistatic compression or expansion. This provides an example of a thermodynamic process for which non-Gaussian work fluctuations can be computed exactly from microscopic principles. We find that the work performed during this process is described statistically by a gamma distribution, and we use this result to show that the model satisfies the nonequilibrium work and fluctuation theorems, but not a prediction based on linear response theory.