4.2 Article

(Anti)evaporation of dyonic black holes in string-inspired dilaton f(R)-gravity

Journal

INTERNATIONAL JOURNAL OF MODERN PHYSICS A
Volume 32, Issue 17, Pages -

Publisher

WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X17501020

Keywords

Alternative gravity; quantum black holes

Funding

  1. MIUR research grant Theoretical Astroparticle Physics [PRIN 2012CP-PYP7]
  2. SdC Progetto speciale Multiasse La Societa della Conoscenza in Abruzzo PO FSE Abruzzo

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We discuss dyonic black hole solutions in the case of f(R)-gravity coupled with a dilaton and two gauge bosons. The study of such a model is highly motivated from string theory. Our black hole solutions are extensions of the one firstly studied by Kallosh, Linde, Ortin, Peet and Van Proeyen (KLOPV) in arXiv:hep-th/9205027. We will show that extreme solutions are unstable. In particular, these solutions have Bousso-Hawking-Nojiri-Odintsov (anti)evaporation instabilities.

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