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The thermal radiation from dynamic black holes

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Abstract

Using the related formula of dynamic black holes, the instantaneous radiation energy density of the general spherically symmetric charged dynamic black hole and the arbitrarily accelerating charged dynamic black hole is calculated. It is found that the instantaneous radiation energy density of black hole is always proportional to the quartic of the temperature of event horizon in the same direction. The proportional coefficient of generalized Stefan-Boltzmann is no longer a constant, and it becomes a dynamic coefficient that is related to the event horizon changing rate, space-time structure near event horizon and the radiation absorption coefficient of the black hole. It is shown that there should be an internal relation between the gravitational field around black hole and its thermal radiation.

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Authors and Affiliations

  1. Department of Physics, Heze University, Heze, 274015, China

    QingMiao Meng & JiJian Jiang

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  1. QingMiao Meng
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  2. JiJian Jiang
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Correspondence to QingMiao Meng.

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Supported by the Science Foundation of Heze University (Grant No. XY06WL01)

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Meng, Q., Jiang, J. The thermal radiation from dynamic black holes. Sci. China Ser. G-Phys. Mech. Astron. 51, 923–930 (2008). https://doi.org/10.1007/s11433-008-0101-y

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  • DOI: https://doi.org/10.1007/s11433-008-0101-y

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