Hawking radiation of five-dimensional charged black holes with scalar fields

We investigate the Hawking radiation cascade from the five-dimensional charged black hole with a scalar field coupled to higher-order Euler densities in a conformally invariant manner. We give the semi-analytic calculation of greybody factors for the Hawking radiation. Our analysis shows that the Ha...

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Bibliographic Details
Published in:Physics letters. B 2017-09, Vol.772 (C), p.542-546
Main Authors: Miao, Yan-Gang, Xu, Zhen-Ming
Format: Article
Language:English
Subjects:
Greybody factor
Hawking radiation
Scalar field
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Summary:We investigate the Hawking radiation cascade from the five-dimensional charged black hole with a scalar field coupled to higher-order Euler densities in a conformally invariant manner. We give the semi-analytic calculation of greybody factors for the Hawking radiation. Our analysis shows that the Hawking radiation cascade from this five-dimensional black hole is extremely sparse. The charge enhances the sparsity of the Hawking radiation, while the conformally coupled scalar field reduces this sparsity.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2017.07.023