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arXiv 1409.3259cond-mat.stat-mech
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准一维热传导中的局部非平衡熵

Local Nonequilibrium Configurational Entropy in Quasi-one-dimensional Heat Conduction

Gary Morriss

摘要:

在准一维系统中,粒子保持从左到右的有序,允许体积元与平均驻留在那里的粒子相关联。因此,单个粒子的性质可以给出体积元中的局部密度。随着不同温度的水库连接到系统的每一端,一个稳定的热流与异常的导热率的结果。局部组态熵密度计算从两个粒子的关联函数,局部变化的非平衡稳态。这种局部组态熵被认为是非平衡稳态的局部熵的组态分量。

英文摘要:

In a quasi-one-dimensional system the particles remain ordered from left to right allowing the association of a volume element to the particle which on average resides there. Thus the properties of that single particle can give the local densities in the volume element. With reservoirs of different temperatures connected to each end of the system a steady heat current with an anomalous thermal conductivity results. A local configurational entropy density is calculated from two-particle correlation functions which varies locally within the nonequilibrium steady state. This local configurational entropy is proposed as the configurational component of the local entropy of the nonequilibrium steady state.

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