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

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

2005-04-07

arxiv.org/abs/gr-qc/0504027v2

Gen.Rel.Grav. 37 (2005) 1869-1876

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

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

Scientific paper

10.1007/s10714-005-0192-y

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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