Hawking Absorption and Planck Absolute Entropy of Kerr-Newman Black Hole |
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Authors: | M Hossain Ali Akhtara Banu |
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Institution: | (1) Department of Applied Mathematics, Rajshahi University, Rajshahi, 6205, Bangladesh;(2) Department of Mathematics, Naogaon Govt. College, Naogaon, Bangladesh |
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Abstract: | We find the existence of a quantum thermal effect, “Hawking absorption.” near the inner horizon of the Kerr–Newman black hole. Redefining the entropy, temperature, angular velocity, and electric potential of the black hole, we give a new formulation of the Bekenstein–Smarr formula. The redefined entropy vanishes for absolute zero temperature of the black hole and hence it is interpreted as the Planck absolute entropy of the KN black hole. |
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Keywords: | inner horizon outer horizon Hawking absorption entropy Nernst theorem Bekenstein– Smarr formula |
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