Generalised uncertainty principle Hawking fermions from minimally geometric deformed black holes

Roberto Casadio, Piero Nicolini, Roldão Da Rocha

Research output: Contribution to journalArticlepeer-review

Abstract

We derive the Hawking spectrum of fermions emitted by a minimally geometric deformed (MGD) black hole. The MGD naturally describes quantum effects on the geometry in the form of a length scale related, for instance, to the existence of extra dimensions. The dynamics of the emitted fermions is described in the context of the generalised uncertainty principle and likewise contains a length scale associated with the quantum nature of space-time. We then show that the emission is practically indistinguishable from the Hawking thermal spectrum for large black hole masses, but the total flux can vanish for small and finite black hole mass. This suggests the possible existence of black hole remnants with a mass determined by the two length scales.

Original languageEnglish (US)
Article number185001
JournalClassical and Quantum Gravity
Volume35
Issue number18
DOIs
StatePublished - Aug 13 2018

Keywords

  • Hawking radiation
  • black hole remnants
  • black holes
  • generalised uncertainty principle
  • minimal geometric deformation

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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