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题名: Generalized thermal instability criterion of black hole accretion disks
作者: Wu, XB
刊名: CHINESE PHYSICS LETTERS
出版日期: 1998
卷号: 15, 期号:7, 页码:542-544
关键词: BINARY-SYSTEMS ;  ADVECTION ;  STABILITY
学科分类: Physics
通讯作者: Wu, XB , Chinese Acad Sci, Beijing Astron Observ, Beijing 100012, Peoples R China.
部门归属: Chinese Acad Sci, Beijing Astron Observ, Beijing 100012, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: The conventional thermal instability criterion cannot be applied to the advection-dominated accretion disks around black holes where the radiative cooling is insufficient to balance the viscous heating. The surface density change associated with the temperature perturbations, which was usually neglected in deriving the conventional criterion, was recently shown to be much significant in the advection-dominated disks. Considering both advection and surface density change, a generalized thermal instability criterion is suggested. By applying it to the optically thin and optically thick advection-dominated disks, it is found that the former one is thermally stable and the latter one is thermally unstable against short wavelength perturbations, which agrees well to those found recently by both analytic and quantitative stability analyses.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000075541400027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12375
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Wu, XB. Generalized thermal instability criterion of black hole accretion disks[J]. CHINESE PHYSICS LETTERS,1998,15(7):542-544.
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