Volume 86, Number 2, April 2009
Article Number 20006
Number of page(s) 3
Section General
Published online 05 May 2009
EPL, 86 (2009) 20006
DOI: 10.1209/0295-5075/86/20006

Quantum tunnelling in charged black holes beyond the semi-classical approximation

Kai Lin and Shu-Zheng Yang

Institute of Theoretical Physics, China West Normal University - Nanchong, 637002, PRC

received 25 December 2008; accepted in final form 25 March 2009; published April 2009
published online 5 May 2009

It is shown that scalar particles can tunnel across the event horizon in charged Reissner-Nordström and Reissner-Nordström-de Sitter black holes to yield the correct Bekenstein-Hawking entropy.

04.70.Dy - Quantum aspects of black holes, evaporation, thermodynamics.
04.70.-s - Physics of black holes.
04.62.+v - Quantum fields in curved spacetime.

© EPLA 2009