paper

A Vaidya-type radiating solution in Einstein-Gauss-Bonnet gravity and its application to braneworld

arXiv:gr-qc/0504027 · doi:10.1007/s10714-005-0192-y

Abstract

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.

6 pages, 1 figure. v2: references and comments added

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