Abstract
The entropy correction of Kerr-Newman black hole is investigated using the Hamilton-Jacobi method beyond semiclassical approximation. To get entropy correction, the inverse of the sum of square of event horizon (r+) and the square of rotational parameter a of the black hole is taken as the proportionality parameter for quantum corrections of the action Ii to the semiclassical action I0. It has been shown that as quantum effects are taken into account the corrections to the Bekenstein-Hawking entropy of the stationary black hole include a logarithmic term and an inverse area term beyond the semiclassical approximation.
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Ibungochouba Singh, T., Ablu Meitei, I. & Yugindro Singh, K. Hawking radiation and entropy of Kerr-Newman black hole. Astrophys Space Sci 352, 737–741 (2014). https://doi.org/10.1007/s10509-014-1927-6
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DOI: https://doi.org/10.1007/s10509-014-1927-6