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Thermodynamic Remnants in Black-hole evaporation
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1  Institute of Science and Environment (ISE) and Institute of Data Engineering and Sciences (IDEAS), University of St. Joseph, Macao, 999078, China
Academic Editor: Gerald Cleaver

Abstract:

In this presentation, I will demonstrate a natural and seamless occurrence of remnant scenarios within the confines of the original computation of Hawking. Hawking in his seminal work demonstrated that the black-hole evaporates thermally at a temperature inversely proportional to its mass $T_H = 1/M$; hence, it is unclear as to what happens in the final stages of the black-hole evaporation as $M \to 0$ due to it being a divergence of the black-hole temperature. A natural resolution to this issue is via remnant scenarios where a black-hole ceases evaporation at some temperature. There have been several attempts over the years to improve upon the computations of Hawking and realize the remnant scenario. However, these attempts rely on implementing extra constraints inspired from various theories of Quantum Gravity or Generalized Uncertainty Principles (GUPs). But we have demonstrated that these constraints are not essential and the remnant configuration can arise simply from the conformal symmetry that emerge in the $M\to 0$ limit of the theory. I will also show that the event horizon is dual to a matrix model which provides a physical mechanism for the formation of remnants. Note that matrix models are actually fermionic theories; therefore, this is suggestive of fermionization of the black-hole event horizon as well.

Keywords: Conformal symmetry; remnants; Hawking radiation; matrix models

 
 
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