Particle energy and Hawking temperature

Details Particle energy and Hawking temperature Particle energy and Hawking temperature

2009-04-28

arxiv.org/abs/0904.4329v1

Phys.Lett.B676:99-104,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages; Accepted by PLB

Scientific paper

10.1016/j.physletb.2009.04.069

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 paper, 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.

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