Quantum superradiance on static black hole space-times
arXiv:2010.01630 · doi:10.1016/j.physletb.2020.135904
Abstract
We study the quantum analogue of the classical process of superradiance for a massless charged scalar field on a static charged black hole space-time. We show that an "in" vacuum state, which is devoid of particles at past null infinity, contains an outgoing flux of particles at future null infinity. This radiation is emitted in the superradiant modes only, and is nonthermal in nature.
arXiv comment7 pages, 5 figures, minor changes, accepted for publication in Physics Letters B
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- Ringing Black Hole is Superradiant: Ultra-light Scalar Field
- Charged black holes in de Sitter space: superradiant amplification of charged scalar waves and resonant hyperradiation
- The Role of the Schwinger Effect in Superradiant Axion Lasers
- Quantum fields in boson star spacetime