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Stability of a hot two-temperature accretion disc with advection
Wu, XB; Wu, XB , CHINESE ACAD SCI,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA.
1997
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
卷号292期号:1页码:113-119
摘要The effects of radial advection and thermal diffusion were considered in investigating the linear stability of an optically thin, two-temperature accretion disc. If the disc has very little advection, we prove that the thermal instability exists when the disc is geometrically thin. However, it disappears in a geometrically slim disc if the thermal diffusion is considered. Moreover, if the disc is advection-dominated, the thermal instability does not exist. We also found that the instabilities of inertial-acoustic modes exist only in a geometrically thin disc or an advection-dominated disc with a low Mach number, whereas the Lightman & Eardley viscous instability always disappears in a two-temperature disc. A simple comparison also showed that an optically thin, bremsstrahlung cooling-dominated disc is generally more thermally unstable than a two-temperature disc if it is not advection-dominated.
部门归属CHINESE ACAD SCI,BEIJING ASTRON OBSERV,BEIJING 100080,PEOPLES R CHINA
关键词Black-holes Dominated Accretion Pulsational Instability Galactic Nuclei Binary-systems Oscillations Model Variability Viscosity Spectrum
学科领域Physics
收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12406
专题理论物理所SCI论文
通讯作者Wu, XB , CHINESE ACAD SCI,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA.
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Wu, XB,Wu, XB , CHINESE ACAD SCI,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA.. Stability of a hot two-temperature accretion disc with advection[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,1997,292(1):113-119.
APA Wu, XB,&Wu, XB , CHINESE ACAD SCI,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA..(1997).Stability of a hot two-temperature accretion disc with advection.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,292(1),113-119.
MLA Wu, XB,et al."Stability of a hot two-temperature accretion disc with advection".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 292.1(1997):113-119.
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