期刊
GENERAL RELATIVITY AND GRAVITATION
卷 37, 期 11, 页码 1869-1876出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10714-005-0192-y
关键词
Gauss-Bonnet gravity; exact solutions; braneworld
We consider a Vaidya-type radiating spacetime in Einstein gravity with the Gauss-Bonnet combination of quadratic curvature terms. Simply generalizing the known static black hole solutions in Einstein-Gauss-Bonnet gravity, we present an exact solution in arbitrary dimensions with the energy-momentum tensor given by a null fluid form. As an application, we derive an evolution equation for the dark radiation in the Gauss-Bonnet braneworld.
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