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On the Temperature of Black Hole

U. V. S. Seshavatharam, S. Lakshminarayana


During the collapse of a massive star, at the moment of formation of black holes, a large quantity of heat is generated and thereby its internal temperature increases. At increasing mass density and increasing internal temperature, nuclear interactions like fusion of quarks, will take place and generate more heat causing the black hole internal temperature to increase further. At one particular temperature, its thermal energy density approaches its mass-energy density and thus the black hole starts maintaining its structural stability against further collapse. With this new concept, the famous Hawking’s black hole temperature formula can be obtained directly wherein ‘mass of black hole’ is being replaced by the geometric mean of ‘Black hole mass and the Planck mass’. Thus it can be suggested that, black holes are hot but not cold.

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