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Superradiance and quantum states on black hole space-times
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Abstract
We consider the definition of the Boulware and Hartle-Hawking states for quantum fields on black hole space-times. The properties of these states on a Schwarzschild black hole have been understood for many years, but neither of these states has a direct analogue on a Kerr black hole. We show how superradiant modes play an important role in the definition of quantum states on Kerr. Superradiance is also present on static black hole space-times, in particular for a charged scalar field on a Reissner-Nordström black hole. We explore whether analogues of the Boulware and Hartle-Hawking states exist in this situation.
Title: Superradiance and quantum states on black hole space-times
Description:
Abstract
We consider the definition of the Boulware and Hartle-Hawking states for quantum fields on black hole space-times.
The properties of these states on a Schwarzschild black hole have been understood for many years, but neither of these states has a direct analogue on a Kerr black hole.
We show how superradiant modes play an important role in the definition of quantum states on Kerr.
Superradiance is also present on static black hole space-times, in particular for a charged scalar field on a Reissner-Nordström black hole.
We explore whether analogues of the Boulware and Hartle-Hawking states exist in this situation.
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