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Hawking Radiation as Tunneling for Extremal and Rotating Black Holes

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abstract

The issue concerning semi-classical methods recently developed in deriving the conditions for Hawking radiation as tunneling, is revisited and applied also to rotating black hole solutions as well as to the extremal cases. It is noticed how the tunneling method fixes the temperature of extremal black hole to be zero, unlike the Euclidean regularity method that allows an arbitrary compactification period. A comparison with other approaches is presented.

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2025 1

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Alternative Derivations of Hawking Radiation

gr-qc · 2025-05-26 · unverdicted · novelty 2.0

A review chapter that reproduces and compares the tunneling, anomaly, and Green's function derivations of Hawking radiation, recovering the Hawking temperature and noting open justifications.

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  • Alternative Derivations of Hawking Radiation gr-qc · 2025-05-26 · unverdicted · none · ref 3 · internal anchor

    A review chapter that reproduces and compares the tunneling, anomaly, and Green's function derivations of Hawking radiation, recovering the Hawking temperature and noting open justifications.