A New Method to Study Hawking Radiation of Charged Particle from Stationary Axisymmetric Sen Black Hole
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Abstract
Taking the self-gravitation interaction and energy conservation, charge conservation and angular momentum conservation into account, we discuss the tunnelling characteristics of the charged particle from Sen black hole by the Hamilton--Jacobi method. The result shows that the tunnelling probability is related to the change of Bekenstein--Hawking entropy, and the actual radiation spectrum deviates from the pure thermal one, which is consistent with the result of Parikh and Wilczek and gives a new method to correct the Hawking pure thermal spectrum of Sen black hole.
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