Journal
PHYSICS LETTERS B
Volume 676, Issue 1-3, Pages 99-104Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2009.04.069
Keywords
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Funding
- National Natural Science Foundation of China [10675045, 10875040]
- FANEDD [200317]
- Hunan Provincial Natural Science Foundation of China [08JJ3010]
- Hunan Provincial Innovation Foundation for Postgraduate
- Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Sciences [KJCX2.YW.W10]
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Some authors have recently found that the tunneling approach gives a different Hawking temperature for a Schwarzschild black hole in a different coordinate system. In this Letter, we find that to work out the Hawking temperature in a different coordinate system by the tunneling approach, we must use the correct definition of the energy of the radiating particles. By using a new definition of the particle energy, we obtain the correct Hawking temperature for a Schwarzschild black hole in two dynamic coordinate systems, the Kruskal-Szekers and dynamic Lemaitre coordinate systems. (C) 2009 Elsevier B.V. All rights reserved.
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