Volume 96, Number 1, October 2011
|Number of page(s)||5|
|Published online||21 September 2011|
Massive charged particle's tunneling from spherical charged black hole
School of Physics, Nankai University - Tianjin 300071, PRC
2 Interdisciplinary Center for Theoretical Study, University of Science and Technology of China Hefei, Anhui 230026, PRC
Accepted: 22 August 2011
We generalize the Parikh-Wilczek scheme to the tunneling of a massive charged particle from a general spherical charged black hole. We obtain that the tunneling probability depends on the energy, the mass and the charge of the particle. In particular, the modified Hawking temperature is related to the charge. Only at the leading-order approximation can the standard Hawking temperature be reproduced. We take the Reissner-Nordström black hole as an example to clarify our points of view, and find that the accumulation of Hawking radiation makes it approach an extreme black hole.
PACS: 04.70.Dy – Quantum aspects of black holes, evaporation, thermodynamics / 03.65.Sq – Semiclassical theories and applications / 04.62.+v – Quantum fields in curved spacetime
© EPLA, 2011
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