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Quantum radiation of non-stationary Kerr-Newman-de Sitter black hole 被引量:13

Quantum radiation of non-stationary Kerr-Newman-de Sitter black hole
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摘要 By introducing a new tortoise coordinate transformation, we investigate the quantum thermal and non-thermal radiations of a non-stationary Kerr-Newman-de Sitter black hole. The accurate location and radiate temperature of the event horizon as well as the maximum energy of the non-thermal radiation are derived. It is shown that the radiate temperature and the maximum energy are related to not only the evaporation rate, but also the shape of the event horizon, moreover the maximum energy depends on the electromagnetic potential. Finally, we use the results to reduce the non-stationary Kerr-Newman black hole, the non-stationary Kerr black hole, the stationary Kerr-Newman-de Sitter black hole, and the static Schwarzshild black hole. By introducing a new tortoise coordinate transformation, we investigate the quantum thermal and non-thermal radiations of a non-stationary Kerr-Newman-de Sitter black hole. The accurate location and radiate temperature of the event horizon as well as the maximum energy of the non-thermal radiation are derived. It is shown that the radiate temperature and the maximum energy are related to not only the evaporation rate, but also the shape of the event horizon, moreover the maximum energy depends on the electromagnetic potential. Finally, we use the results to reduce the non-stationary Kerr-Newman black hole, the non-stationary Kerr black hole, the stationary Kerr-Newman-de Sitter black hole, and the static Schwarzshild black hole.
出处 《Chinese Physics B》 SCIE EI CAS CSCD 2005年第9期1736-1744,共9页 中国物理B(英文版)
基金 Project supported by the National Natural Science Foundation of China (Grant No 10347008).
关键词 quantum thermal radiation quantum non-thermal radiation tortoise coordinate transformation Kerr-Newman-de Sitter black hole quantum thermal radiation, quantum non-thermal radiation, tortoise coordinate transformation, Kerr-Newman-de Sitter black hole
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