| Original Articles |
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Constraints on Slim Accretion Discs |
| CAI Zhen-Yi;GU Wei-Min;LU Ju-Fu |
| Department of Physics and Institute of Theoretical Physics and Astrophysics, Xiamen University, Xiamen 361005 |
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| Cite this article: |
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CAI Zhen-Yi, GU Wei-Min, LU Ju-Fu 2008 Chin. Phys. Lett. 25 1514-1516 |
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Abstract We show that when the gravitational force in the vertical direction is correctly calculated, the well-known S-shaped sequence of thermal equilibrium solutions can be constructed only for small radii of black hole accretion flows, such that slim accretion discs can possibly exist only in the inner regions of these flows.
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| Keywords:
97.60.Lf
98.62.Mw
95.30.Gv
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Received: 14 September 2007
Published: 31 March 2008
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| PACS: |
97.60.Lf
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(Black holes)
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98.62.Mw
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(Infall, accretion, and accretion disks)
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95.30.Gv
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(Radiation mechanisms; polarization)
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