HAWKING RADIATION FOR SCALAR AND DIRAC FIELDS IN FIVE-DIMENSIONAL DILATONIC BLACK HOLE VIA ANOMALIES

2011/04/30 by Ramón Becar, RAMÓN BECAR, P. A. González +1
Physics and Astronomy · #Astrophysical Phenomena and Observations #Black Holes and Theoretical Physics #Black hole (networking) #Cosmology and Gravitation Theories #Covariant transformation #Dirac (video compression format) #Gauge (firearms) #Gauge theory #Hawking radiation #Scalar (mathematics) #Scalar field #gr-qc

paper · pdf · doi:10.1142/s0218271812500307

10 pages

arxiv created 2012/01/22 · openalex publication_date 2012/02/09 · arxiv updated 2015/05/27 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We study massive scalar fields and Dirac fields propagating in a five-dimensional dilatonic black hole background. We expose that for both fields the physics can be described by a two-dimensional theory, near the horizon. Then, in this limit, by applying the covariant anomalies method we find the Hawking flux by restoring the gauge invariance and the general coordinate covariance, which coincides with the flux obtained from integrating the Planck distribution for fermions.

Citations

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