Charged Black Holes in Gauss-Bonnet Extended Gravity
Maximo Banados
TL;DR
This paper investigates charged black holes within Gauss-Bonnet extended gravity, revealing phase transitions in their geometrical properties as functions of mass and charge, and provides a comprehensive phase diagram.
Contribution
It introduces a non-minimal electromagnetic coupling in Gauss-Bonnet gravity and analyzes the resulting black hole solutions and their phase transitions.
Findings
Identification of phase transitions in black hole geometries
Complete phase diagram for varying mass and charge
Non-minimal electromagnetic coupling effects on black hole properties
Abstract
Charged Black holes in Gauss-Bonnet extended gravity are studied. The electromagnetic field is coupled non-minimally, as in U(2,2) Chern-Simons theory. We find that the geometrical properties of the solution exhibit ``phase transitions" as one varies the mass and charge. The full phase diagram for all values of the ADM mass and charge is displayed.
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