Field propagation in de Sitter black holes

Details Field propagation in de Sitter black holes Field propagation in de Sitter black holes

2003-09-17

arxiv.org/abs/gr-qc/0309079v3

Phys.Rev. D69 (2004) 104013

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, 16 figures, published version

Scientific paper

10.1103/PhysRevD.69.104013

We present an exhaustive analysis of scalar, electromagnetic and gravitational perturbations in the background of Schwarzchild-de Sitter and Reissner-Nordstrom-de Sitter spacetimes. The field propagation is considered by means of a semi-analytical (WKB) approach and two numerical schemes: the characteristic and general initial value integrations. The results are compared near the extreme cosmological constant regime, where analytical results are presented. A unifying picture is established for the dynamics of different spin fields.

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