Correction to black hole radiation due to pair annihilation

Abstract

We consider the emission of charged scalar particles from a Schwarzschild black hole. It is shown that these particles can interact with each other through pair annihilation, and as a result, produce photons. These photons make a correction to the spectrum of photons that are directly emitted from the black hole. By solving field equations using the WKB approximation, the pair annihilation rate is taken into account for the most probable case, i.e., the first order, and therefore the correction will be of the order of $e^2$. Considering this scenario, we show that most interactions take place near the event horizon of the black hole, yet the number of interactions is not large enough to make a remarkable modification in the radiation spectrum of particles. These results refute the claims that interactions cause immense changes in the Hawking radiation spectrum of a black hole.

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Cited by in corpus (2)

• Quantum vacuum effects on the formation of black holes
• Corrections to Hawking Radiation from Asteroid Mass Primordial Black Holes: I. Formalism of Dissipative Interactions in Quantum Electrodynamics