Hawking Radiation from Horizons of Reissner-Nordström deSitter Black Hole with a Global Monopole via Anomalies |
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Authors: | CHEN Shi-Wu LIU Xiong-Wei LIN Kai ZENG Xiao-Xiong YANG Shu-Zheng |
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Affiliation: | Institute of Theoretical Physics, China West Normal University, Nanchong 637002, China |
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Abstract: | Hawking radiation from cosmological horizon and event horizon of the Reissner-Nordström de Sitter black hole with a global monopole is studied via a new method that was propounded by Robinson and Wilzek and elaborated by Banerjee and Kulkarni. The results show that the gauge current and energy-momentum tensor fluxes, which required keeping gauge covariance and general coordinate invariance at the quantum level in the effective field theory, are exactly equivalent to those of Hawking radiation from the event horizon and the cosmological horizon,respectively. |
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Keywords: | covariant anomaly Hawking radiation Reissner-Nordström de sitter black hole global monopole |
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