Gibbons-Maeda-de Sitter Black Holes
Chang Jun Gao, Shuang Nan Zhang
TL;DR
This paper constructs and verifies the metric of Gibbons-Maeda black holes with a cosmological constant, revealing the coupling between the cosmological constant and the dilaton field.
Contribution
It introduces a new metric for Gibbons-Maeda black holes incorporating a cosmological constant and derives the associated dilaton potential.
Findings
Cosmological constant is coupled to the dilaton field.
The metric of Gibbons-Maeda black holes with a cosmological constant is explicitly constructed.
The dilaton potential related to the cosmological constant is obtained.
Abstract
The metric of Gibbons-Maeda black hole in the presence of a cosmological constant is constructed and verified. The dilaton potential with respect to the cosmological constant is obtained. It is found that the cosmological constant is coupled to the dilaton field.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Cosmology and Gravitation Theories · Noncommutative and Quantum Gravity Theories