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Renormalized charged scalar current on a Reissner-Nordstrom black hole in the presence of charge superradiance

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posted on 2025-01-22, 17:10 authored by Elizabeth WinstanleyElizabeth Winstanley, George MontagnonGeorge Montagnon

Data for the paper "Renormalized charged scalar current on a Reissner-Nordstrom black hole in the presence of charge superradiance", arXiv:2501.10780 [hep-th].

We compute the renormalized charge current for a massless, minimally coupled, charged quantum scalar field on a charged Reissner-Nordstrom black hole space-time, using the method of pragmatic mode-sum renormalization. Since the field exhibits superradiance, we consider the past Unruh, Boulware and Candelas-Chrzanowski-Howard states, and study how the renormalized current in these states depends on the charges of the black hole and scalar field. We also study the backreaction of the charge current on the electromagnetic field.

Funding

Consortium for Fundamental Physics - Particle Cosmology and Fundamental Physics: From the Early to the Present Universe

Science and Technology Facilities Council

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