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题名: A note on the thermodynamics of self-gravitating systems and its related astrophysics
作者: Kang, DB
刊名: EPL
出版日期: 2012
卷号: 98, 期号:3, 页码:30011
关键词: STATISTICAL-MECHANICS ;  DENSITY PROFILE ;  ISOTHERMAL SPHERES ;  STELLAR SYSTEMS ;  STAR-CLUSTERS ;  HALO ;  LAW
学科分类: Physics
通讯作者: Kang, DB (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
英文摘要: Our previous works have shown the statistical mechanics of self-gravitating system. In this paper, we will first further analyse the physics behind it and propose that our statistical mechanics can be based on local ergodicity and Boltzmann entropy. With the method of statistical mechanics, we will show our definition of temperature and then the capacity of self-gravitating systems. Then we will preliminarily show the thermal stability of the thermodynamical equilibrium state in our theory. Our results also provide new explanations for observations and numerical simulations of dissipationless collapse, including that the gravothermal catastrophe may be only a special case of our results, and the non-universal density distribution in the simulations of dissipationless collapse may be not caused by a different initial collapse factor. Copyright (C) EPLA, 2012
资助者: National Basic Research Programm of China [2010CB832805]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000304389300011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15108
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Kang, DB. A note on the thermodynamics of self-gravitating systems and its related astrophysics[J]. EPL,2012,98(3):30011.
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