Hawking Radiation via Gravitational Anomalies in Non-spherical Topologies
Eleftherios Papantonopoulos, Petros Skamagoulis
TL;DR
This paper explores calculating Hawking radiation using gravitational anomalies in non-spherical topologies, specifically focusing on topological black holes with constant negative curvature and scalar field couplings.
Contribution
It extends the anomaly method for Hawking radiation to non-spherical, topologically non-trivial black hole backgrounds, including those with scalar field couplings.
Findings
Hawking radiation can be derived via gravitational anomalies in these backgrounds.
The method applies to topological black holes with negative curvature.
Scalar field couplings do not prevent the anomaly-based calculation.
Abstract
We study the method of calculating the Hawking radiation via gravitational anomalies in gravitational backgrounds of constant negative curvature. We apply the method to topological black holes and also to topological black holes conformally coupled to a scalar field.
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