Tunneling Radiation of a Torus-Like Black Hole in Anti-de Sitter Space-Time |
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Authors: | Hui-Ling Li De-Jiang Qi Qing-Quan Jiang Shu-Zheng Yang |
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Affiliation: | (1) College of Physics Science and Technology, Shenyang Normal University, Shenyang, 110034, China;(2) Department of Preparatory Courses, Shenyang Institute of Engineering, Shenyang, 110136, China;(3) Institute of Theoretical Physics, China West Normal University, Nanchong, 637002, China |
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Abstract: | An extension of the Parikh-Wilczek's semi-classical quantum tunneling method, the tunneling radiation of the charged particle from a torus-like black hole is investigated. Difference from the uncharged mass-less particle, the geodesics of the charged massive particle tunneling from the black hole is not light-like, but determined by the phase velocity. The derived result shows that the tunneling rate depends on the emitted particle's energy and electric charge, and takes the same functional form as uncharged particle. It proves also that the exact emission spectrum is not strictly pure thermal, but is consistent with the underlying unitary theory. PACS Numbers: 04.70.Dy, 97.60.Lf, 05.30.Ch. |
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Keywords: | a torus-like black hole energy conservation charge conservation tunneling rate Bekenstein-Hawking entropy |
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