Statistical mechanics of point particles with a gravitational interaction

被引：9

作者：

Chabanol, ML ^{[1
]}

Corson, F

Pomeau, Y

机构：

[1] Univ Grenoble 1, Inst Fourier, F-38402 St Martin Dheres, France

[2] Ecole Normale Super, Lab Phys Stat, F-75231 Paris 05, France

来源：

EUROPHYSICS LETTERS | 2000年 / 50卷 / 02期

关键词：

D O I：

10.1209/epl/i2000-00247-9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the dynamics of N point particles with a gravitational interaction. The divergence of the microcanonical partition function prevents this system from reaching equilibrium. Assuming a random diffusion in phase space we deduce a scaling law involving time, which is numerically checked for 3 interacting masses in a quadratic nonsymmetrical potential. This random walk on the potential energy scale is studied in some detail and the results agree with the numerics.

引用

页码：148 / 154

页数：7

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