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Hawking evaporation cascade in the presence of backreaction effect

2016/01/31 by Avik Paul, Bibhas Ranjan Majhi · 15 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Black hole (networking) #Cascade #Cosmology and Gravitation Theories #Event horizon #Hawking #Hawking radiation #Micro black hole #Planck mass #Quantum Electrodynamics and Casimir Effect #Schwarzschild radius #Sonic black hole #gr-qc #hep-th

paper · pdf · doi:10.1142/s0217751x17500889

published in International Journal of Modern Physics A 32(16), 1750088 (World Scientific) · New comments and refs. added, to appear in Int.J.Mod.Phys. A

openalex created_date 2016/06/24 · arxiv created 2017/05/12 · openalex publication_date 2017/05/26 · arxiv updated 2017/05/31 · openalex updated_date 2026/08/05

Abstract

We study the cascade of Hawking emission spectrum from the event horizon in the presence of one loop backreaction effect in a black hole background. The space–time taken here is the modified Schwarzschild one. The analysis shows that it is possible to decrease the sparsity with the decrease in black hole mass. Moreover, at some particular value of mass, one has a continuous radiation cascade. This result is completely new and quite different from the usual one. An estimation of the mass for continuous one is also found. We see that the value is of the Planck mass order. In this process, it is observed that under a physical background, below a particular value of the mass, the Hawking radiation must stop and we have a remnant. This was absent in the earlier analysis.

Citations