GEOPHYSICS, ASTRONOMY, AND ASTROPHYSICS |
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Quantum nonthermal radiation and horizon surface gravity of an arbitrarily accelerating black hole with electric charge and magnetic charge |
Xie Zhi-Kun (谢志堃), Pan Wei-Zhen (潘伟珍), Yang Xue-Jun (杨学军) |
Department of Physics and Electronic Information, Shaoxing University, Shaoxing 312000, China |
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Abstract With a new tortoise coordinate transformation, we discussed the quantum nonthermal radiation characteristics near the event horizon by studying the Hamilton–Jacobi equation of a scalar particle in the curve space–time, and obtained the event horizon surface gravity and the Hawking temperature on the event horizon. The results showed that there is a crossing of particle energy near the event horizon. We derived the maximum overlap of the positive and negative energy levels. It was also found that the Hawking temperature of a black hole depends on not only the time, but also the angle. There is a problem of dimension in the usual tortoise coordinate, so the present results obtained by using a correct-dimension new tortoise coordinate transformation may be more reasonable.
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Received: 31 May 2012
Revised: 17 August 2012
Accepted manuscript online:
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PACS:
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97.60.Lf
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(Black holes)
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04.70.-s
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(Physics of black holes)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10873003 and 11045005) and the Natural Science Foundation of Zhejiang Province, China (Grant No. Y6090739). |
Corresponding Authors:
Pan Wei-Zhen
E-mail: panwz8@usx.edu.cn
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Cite this article:
Xie Zhi-Kun (谢志堃), Pan Wei-Zhen (潘伟珍), Yang Xue-Jun (杨学军) Quantum nonthermal radiation and horizon surface gravity of an arbitrarily accelerating black hole with electric charge and magnetic charge 2013 Chin. Phys. B 22 039701
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