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arXiv · 2609.32702

Greybody Factors and Hawking Spectra of Quantum-Corrected Black Holes

Moslem Shafiee·Ahmad Sheykhi
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Abstract

We investigate Hawking radiation of a quantum-corrected Schwarzschild black hole with vacuum polarization and conformal anomaly effects. The corrected geometry has two horizons, a non-monotonic Hawking temperature that vanishes at a critical mass, and a logarithmic entropy correction. We compute greybody factors, spectra, and emission rates for massless bosonic fields of various spins and angular momenta. Quantum corrections suppress low-energy greybody factors and enhance high-energy ones. During late evaporation, where quantum influences become significant, the decreasing temperature strongly suppresses emission. In this case, the higher-spin modes become negligible, and the scalar $s=l=0$ mode dominates. The black hole lifetime is greatly extended as it asymptotically approaches a stable extremal remnant.

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Moslem Shafiee, Ahmad Sheykhi. 2026-09-26. Greybody Factors and Hawking Spectra of Quantum-Corrected Black Holes. https://arxiv.org/abs/2609.32702

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