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APS » Journals » Phys. Rev. D » Volume 53 » Issue 4
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Phys. Rev. D 53, R1759–R1762 (1996)

Exact solutions for null fluid collapse

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Viqar Husain
Department of Mathematics and Statistics, University of Calgary, Calgary, Alberta, Canada T2N 1N4
Center for Gravitational Physics and Geometry, The Pennsylvania State University, University Park, Pennsylvania 16802-6300

Received 19 June 1995; published in the issue dated 15 February 1996

Exact nonstatic spherically symmetric solutions of the Einstein equations for a null fluid source with pressure P and density ρ related by P=kρa are given. The a=1 metrics are asymptotically flat for 1/2<k≤1 and cosmological for 0<k<1/2. The k=1 metric is the known charged Vaidya solution. In general the metrics have multiple apparent horizons. In the long time limit, the asymptotically flat metrics are hairy black hole solutions that ‘‘fall between’’ the Schwarzschild and Reissner-Nordström metrics. © 1996 The American Physical Society.

© 1996 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.53.R1759
DOI:
10.1103/PhysRevD.53.R1759
PACS:
04.20.Jb, 04.40.Nr
 
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