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Kang, DB; Kang, DB (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
A note on the thermodynamics of self-gravitating systems and its related astrophysics
Source PublicationEPL
Language英语
KeywordStatistical-mechanics Density Profile Isothermal Spheres Stellar Systems Star-clusters Halo Law
AbstractOur 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
2012
ISSN0295-5075
Volume98Issue:3Pages:30011
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Basic Research Programm of China [2010CB832805] ; National Basic Research Programm of China [2010CB832805] ; National Basic Research Programm of China [2010CB832805] ; National Basic Research Programm of China [2010CB832805]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15108
Collection理论物理所科研产出_SCI论文
Corresponding AuthorKang, DB (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Kang, DB,Kang, DB . A note on the thermodynamics of self-gravitating systems and its related astrophysics[J]. EPL,2012,98(3):30011.
APA Kang, DB,&Kang, DB .(2012).A note on the thermodynamics of self-gravitating systems and its related astrophysics.EPL,98(3),30011.
MLA Kang, DB,et al."A note on the thermodynamics of self-gravitating systems and its related astrophysics".EPL 98.3(2012):30011.
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