Low-energy sector quantization of a massless scalar field outside a Reissner-Nordström black hole and static sources
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Data
2000-09-15
Autores
Castiñeiras, J.
Matsas, G. E. A.
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We quantize the low-energy sector of a massless scalar field in Reissner-Nordström spacetime. This allows the analysis of processes involving soft scalar particles occurring outside charged black holes. In particular, we compute the response of a static scalar source interacting with Hawking radiation using the Unruh (and the Hartle-Hawking) vacuum. This response is compared with the one obtained when the source is uniformly accelerated in the usual vacuum of Minkowski spacetime with the same proper acceleration. We show that both responses are in general different in opposition to the result obtained when the Reissner-Nordström black hole is replaced by a Schwarzschild one. The conceptual relevance of this result is commented on. ©2000 The American Physical Society.
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Physical Review D - Particles, Fields, Gravitation and Cosmology, v. 62, n. 6, p. 1-6, 2000.