articleJournal of High Energy PhysicsJan 16, 2026DIAMOND OA

The evaporation of charged black holes

ARAdam R. BrownLVLuca V. IliesiuGPGeoff PeningtonMUMykhaylo Usatyuk

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Abstract

A bstract Charged particle emission from black holes with sufficiently large charge is exponentially suppressed. As a result, such black holes are driven towards extremality by the emission of neutral Hawking radiation. Eventually, an isolated black hole gets close enough to extremality that the gravitational backreaction of a single Hawking photon becomes important, and the quantum field theory in curved spacetime approximation breaks down. To proceed further, we need to use a quantum theory of gravity. We make use of recent progress in our understanding of the quantum-gravitational thermodynamics of near-extremal black holes to compute the corrected spectrum for both neutral and charged Hawking radiation,…

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7
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103.27
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100%
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Topics & keywords

Topics
Keywords
  • Hawking radiation
  • Semiclassical physics
  • Black hole (networking)
  • Micro black hole
  • Charged black hole
  • Angular momentum
  • Photon
  • Black hole thermodynamics
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