(Anti)evaporation of Dyonic Black Holes in string-inspired dilaton $f(R)$-gravity

Abstract

We discuss dyonic black hole solutions in the case of $f(R)$-gravity coupled with a dilaton and two gauge bosons. The study of such a model is highly motivated from string theory. Our Black Hole solutions are extensions of the one firstly studied by Kallosh, Linde, Ortín, Peet and Van Proyen (KLOPV) in [arXiv:hep-th/9205027]. We will show that extreme solutions are unstable. In particular, these solutions have Bousso-Hawking-Nojiri-Odintsov (anti)evaporation instabilities.

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• Horndeski theories confront the Gravity Probe B experiment
• Black hole shadow and chaos bound violation in $f(T)$ teleparallel gravity
• Extended phase space thermodynamics of black holes: A study in Einstein's gravity and beyond
• Evaporation/Antievaporation and energy conditions in alternative gravity
• Suppression of Bekenstein-Hawking radiation in $f(T)$-gravity
• Anti-Evaporation/Evaporation of $n$-dimensional Reissner-Nordström Black Hole