Thermodynamics of self-gravitating systems

被引：70
|
作者：
Katz, J [1 ]
机构：
[1] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel
来源：
FOUNDATIONS OF PHYSICS | 2003年 / 33卷 / 02期
关键词：
gravity; thermodynamics of non-extensive systems; statistical mechanics with long range forces;
D O I：
10.1023/A:1023776921610
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This work assembles some basic theoretical elements on thermal equilibrium, stability conditions, and fluctuation theory in self-gravitating systems illustrated with a few examples. Thermodynamics deals with states that have settled down after sufficient time has gone by. Time dependent phenomena are beyond the scope of this paper. While thermodynamics is firmly rooted in statistical physics, equilibrium configurations, stability criteria and the destabilizing effect of fluctuations are all expressed in terms of thermodynamic functions. The work is not a review paper but a pedagogical introduction which may interest theoreticians in astronomy and astrophysicists. It contains sufficient mathematical details for the reader to redo all calculations. References are only to seminal works or readable reviews. 3 Delicate mathematical problems are mentioned but are not discussed in detail.
引用
收藏
页码：223 / 269
页数：47
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