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نتائج ل
"Kerr black holes Mathematical models."
صنف حسب:
Hawking radiation and entropy of Kerr-Newman black hole
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
I
i
to the semiclassical action
I
0
. 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.
Journal Article
Hawking radiation of Kerr-de Sitter black holes using Hamilton-Jacobi method
Hawking radiation of Kerr-de Sitter black hole is investigated using Hamilton-Jacobi method. When the well-behaved Painleve coordinate system and Eddington coordinate are used, we get the correct result of Bekenstein-Hawking entropy before and after radiation but a direct computation will lead to a wrong result via Hamilton-Jacobi method. Our results show that the tunneling probability is related to the change of Bekenstein-Hawking entropy and the derived emission spectrum deviates from the pure thermal but it is consistent with underlying unitary theory.
Journal Article
Generalized uncertainty principle and s-wave semiclassical tunneling radiation of Kerr black hole
Based on the generalized uncertainty principle, the modified area and entropy of Kerr black hole is calculated. The semiclassical Parikh-Wilczeck tunneling proposal is applied to a Kerr horizon. It is shown that the tunneling radiation probability of Kerr black hole is modified.
Journal Article