Constructing black holes in Einstein-Maxwell-scalar theory
Shuang Yu, Jianhui Qiu, Changjun Gao
TL;DR
This paper constructs exact black hole solutions within Einstein-Maxwell-scalar theory, extending dilaton black holes to de Sitter or anti-de Sitter spaces, and explores their thermodynamic properties.
Contribution
It introduces new exact solutions in Einstein-Maxwell-scalar theory with specific scalar potential and coupling functions, expanding the understanding of black hole configurations.
Findings
Derived explicit black hole solutions in the theory.
Analyzed the Smarr formula and first law of thermodynamics for these solutions.
Extended dilaton black holes to de Sitter and anti-de Sitter backgrounds.
Abstract
Exact black hole solutions in the Einstein-Maxwell-scalar theory are constructed. They are the extensions of dilaton black holes in de Sitter or anti de Sitter universe. As a result, except for a scalar potential, a coupling function between the scalar field and the Maxwell invariant is present. Then the corresponding Smarr formula and the first law of thermodynamics are investigated.
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