Hawking radiation of Dirac monopoles from the global monopole black hole with quantum gravity effects

Abstract

In this paper we study the quantum tunneling of Dirac magnetic monopoles from the global monopole black hole under quantum gravity effects. We start from the modified Maxwell's equations and the Generalized Uncertainty Relation (GUP), to recover the GUP corrected temperature for the global monopole black hole by solving the modified Dirac equation via Hamilton-Jacobi method. Furthermore, we also include the quantum corrections beyond the semiclassical approximation, in particular, first we find the logarithmic corrections of GUP corrected entropy and finally we calculate the GUP corrected specific heat capacity. It is argued that the GUP effects may prevent a black hole from complete evaporation and leave remnants.

arXiv comment8 pages, 1 figure, to appear in Astrophysics and Space Science

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• The neutrino pair annihilation ($\nu \bar{\nu }⟶e^{-}{e}^{+}$)around a massive source with an $f(R)$ global monopole
• Hawking Radiation in the Spacetime of White Holes