Statistical mechanics of the isothermal lane-emden equation

Statistical mechanics of the isothermal lane-emden equation
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等温 Lane-emden 方程的统计力学

DOI:
10.1007/bf01342187
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发表时间:
1982
影响因子:
1.6
通讯作者:
H. Spohn
H. Spohn
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
J. Messer;H. Spohn

文献摘要

被引文献

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对于势能为H(N)=N−1(1/2)∑i <$j= 1 NV(xi,xj)的盒子Λ中的经典点粒子,我们研究了大N时的正则系综.证明了当N →∞时,关联函数由某个自由能泛函的全局极小值决定.局部的粒子分布由泊松场的叠加给出。我们研究了Λ=[−πL,πL]和V(x,y)=}-β cos(x-y),L}>0,β}>0的特殊情况。
For classical point particles in a box Λ with potential energy H(N)=N−1(1/2) ∑i≠j=1NV(xi,xj) we investigate the canonical ensemble for largeN. We prove that asN→∞ the correlation functions are determined by the global minima of a certain free energy functional. Locally the distribution of particles is given by a superposition of Poisson fields. We study the particular case Λ=[−πL, πL] andV(x, y)=}-β cos(x−y),L}>0, β}>0.