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arXiv 1603.04769cond-mat.stat-mech
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潜热与傅立叶定律

Latent heat and the Fourier law

Matteo Colangeli, Anna De Masi, Errico Presutti

摘要:

我们目前的计算机模拟运行的随机元胞自动机,它描述了$d=1$粒子系统连接到水库,保持两个不同的密度在端点。我们固定的参数,使有一个相变(范德华类型),并观察到,如果在边界处的密度是亚稳态的,然后,经过一个瞬态,该系统达到一个明显的稳定制度,电流从具有较小的密度的水库流到具有较大的密度。

英文摘要:

We present computer simulations run with a stochastic cellular automaton which describes $d=1$ particle systems connected to reservoirs which keep two different densities at the endpoints. We fix the parameters so that there is a phase transition (of the van der Waals type) and observe that if the densities at the boundaries are metastable then, after a transient, the system reaches an apparently stationary regime where the current flows from the reservoir with smaller density to the one with larger density.

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