Letter: Quantum Nonthermal Radiation of Nonstationary Kerr-Newman-de Sitter Black Holes |
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| Authors: | M Hossain Ali |
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| Institution: | (1) Department of Mathematics, Rajshahi University, Rajshahi -, 6205, Bangladesh |
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| Abstract: | Quantum nonthermal radiation of a nonstationary Kerr-Newman-de Sitter black hole is investigated. A crossing of the positive and negative Dirac energy levels occurs in a region near the event horizon of the hole, and spontaneous quantum nonthermal radiation takes place in the overlap region. |
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| Keywords: | Nonthermal radiation nonstationary black holes tortoise coordinate Dirac particle event horizon |
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