Non-minimal scalar fields in 2D de Sitter and dilaton black holes

Details Non-minimal scalar fields in 2D de Sitter and dilaton black holes Non-minimal scalar fields in 2D de Sitter and dilaton black holes

2008-05-27

arxiv.org/abs/0805.4031v2

JHEP0807:010,2008

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, 4 figures

Scientific paper

10.1088/1126-6708/2008/07/010

We study non-minimal quantum fields in the gravitational field of 2-dimensional dilaton black holes and the de Sitter spacetime. We found that the Green functions for non-minimal massless fields in a particular class of dilaton black holes and in the de Sitter spacetime are almost identical. Using this symmetry exact solutions are derived for quasinormal modes and bound states in these background geometries. The problem of stability of dilaton black holes is discussed.

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