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Singular isothermal sphere and black hole formation

Published online by Cambridge University Press:  01 December 2004

Mike J. Cai  and
Frank H. Shu
Mike J. Cai
Affiliation:
Institute of Astronomy and Astrophysics, Academia Sinica, Taiwan email: mike@asiaa.sinica.edu.tw
Frank H. Shu
Affiliation:
Department of Physics, National Tsing-Hua University, Hsinchu, Taiwan
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Abstract

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We present here the self-similar collapse of a relativistic singular isothermal sphere (SIS) that leads to monolithic black hole formation. The dynamic evolution is triggered by the central portion of the SIS collapsing to for an infinitesimal black hole. This perturbation removes the pressure support for the layer immediately above, which causes it to collapse, and so on. The influence of gravitational collapse propagates out as an expansion wave moving at the speed of sound. Outside of the expansion wave, matter remains in local equilibrium.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

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Type
POSTERS
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS222 , March 2004 , pp. 551 - 552
Copyright
© 2004 International Astronomical Union