Nonequilibrium self-gravitational system

Details Nonequilibrium self-gravitational system Nonequilibrium self-gravitational system

2009-10-14

arxiv.org/abs/0910.2581v1

Physics

Condensed Matter

Statistical Mechanics

5 pages, 0 figures

Scientific paper

The density of states of self-gravitational system diverges when the particles are spread to infinity. Other problem based an inhomogeneous distribution of particles,which motivate the gravitational interaction. In this sense the statistical mechanics of self-gravitational system is essentially an non-equilibrium problem. A new possible approach to statistical description of self-gravitational system has been proposed. The approach based on non-equilibrium statistical operator, which allow take into account inhomogeneous distribution particle and temperature in self gravitational system. The saddle point procedure, which used in the given method describes the spatially inhomogeneous distribution in self gravitational system accompanied by temperature changing.

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