New perturbative black hole solutions in an explicit spacetime-symmetry-breaking gravity EFT, with derived observables including three-horizon metrics when two coefficients are active.
UV/IR Mixing and Black Hole Thermodynamics
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abstract
The goal of this paper is to investigate the final stage of black hole evaporation process in the framework of Lorentz violating Modified Dispersion Relations(MDRs). As a consequence of MDRs, the high energy sector of the underlying field theory does not decouple from the low energy sector, the phenomenon which is known as UV/IR mixing. In the absence of exact supersymmetry, we derive a modified dispersion relation which shows UV/IR mixing by a novel energy dependence. Then we investigate the effects of these type of MDRs on the thermodynamics of a radiating noncommutative Schwarzschild black hole. The final stage of black hole evaporation obtained in this framework is compared with existing pictures.
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gr-qc 1years
2024 1verdicts
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Perturbative black-hole and horizon solutions in gravity with explicit spacetime-symmetry breaking
New perturbative black hole solutions in an explicit spacetime-symmetry-breaking gravity EFT, with derived observables including three-horizon metrics when two coefficients are active.