Dilaton black holes in the de Sitter or anti–de Sitter universe
Changjun GaoDepartment of Physics and Center for Astrophysics, Tsinghua University, Beijing 100084, China‡Shuang‐Nan ZhangDepartment of Physics and Center for Astrophysics, Tsinghua University, Beijing 100084, China‡
2004en
ABI
Abstract
Poletti and Wiltshire have shown that, with the exception of a pure cosmological constant, the solution of a dilaton black hole in the background of de Sitter or anti--de Sitter universe, does not exist in the presence of one Liouville-type dilaton potential. In this work we obtain the dilaton black-hole solutions in the background of the de Sitter or anti--de Sitter universe, with the combination of three Liouville-type dilaton potentials.
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