ZhETF, Vol. 139,
No. 5,
p. 899 (May 2011)
(English translation - JETP,
Vol. 112, No. 5,
p. 784,
May 2011
available online at www.springer.com
)
PERFECT FLUID AND SCALAR FIELD IN THE REISSNER-NORDSTRÖM METRIC
Babichev E.O., Dokuchaev V.I., Eroshenko Yu.N.
Received: September 30, 2010
We describe the spherically symmetric steady-state accretion of perfect fluid in the Reissner-Nordström metric. We present analytic solutions for accretion of a fluid with linear equations of state and of the Chaplygin gas. We also show that under reasonable physical conditions, there is no steady-state accretion of a perfect fluid onto a Reissner-Nordström naked singularity. Instead, a static atmosphere of fluid is formed. We discuss a possibility of violation of the third law of black hole thermodynamics for a phantom fluid accretion.
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