Title: Comment on 'Quantization of Black Holes', by Xiao-Gang He and Bo-Qiang Ma (arXiv:1003.2510[hep-th])
Abstract: We show that there are some problematic features for the simple proposal of the He and Ma [arXiv:1003.2510v3 [hep-th]]. In the Ref.[1] the authors make the hypothesis that the quantum theory of the black-hole (BH) can be described by a semi classical Bohr’s model likely with a model for Hydrogen atom, from it,they proposed the idea of a quantized BH by using Bohrs idea of quantizing the motion of an electron inside the atom in an old version of quantum mechanics. Indeed they proposed a phase space quantization rule for a spherically symmetric BH. Although we do not know (surely) for such a special case there is (even exist) a stable phase space or not. They attempt to quantize the black-holes by using the Verlinde’s proposal on the entropic nature of gravity and the Bohr’s quantization method. It does not seem to me that the author’s approach to black-hole physics is correct because it ignores the relativistic and thermal effects and it treats the black-hole as a simple semi classical system under influence of a power law potential. The agreement with the results from [1] should not be taken as an argument in favor of the present ideas about the quantum essence of the BH, since in [1] the same effects have been ignored, too. This paper is questionable. The authors attempted to quantize the black-hole in the canonical quantization formalism but they can not describe the main hidden reason for treating the BH in the canonical formalism but not in the path integral (PI) one’s which as we know that the PI formalism is reasonable. Another main result of the previous paper is to produce the spectrum of the black-hole
Publication Year: 2010
Publication Date: 2010-09-01
Language: en
Type: article
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Cited By Count: 2
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