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Chin. Phys. B, 2009, Vol. 18(11): 4721-4725    DOI: 10.1088/1674-1056/18/11/019
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Fermion tunneling of charged particles from a non-static black hole in de Sitter space

Li Hui-Ling(李慧玲)a)† and Yang Shu-Zheng(杨树政)b)
a College of Physics Science and Technology, Shenyang Normal University, Shenyang 110034, China; b Institute of Theoretical Physics, China West Normal University, Nanchong 637002, China
Abstract  Introducing a new coordinate system and choosing a set of appropriate matrices  $\gamma^\mu$, this paper attempts to investigate the fermion tunneling of charged particles across the event horizon from the Vaidya--Bonner de Sitter black hole. The result shows that the tunneling rate of the non-static black hole is related not only to the change of Bekenstein--Hawking entropy but also to the integral of the changing horizon, which violates unitary theory and is different from the stationary case.
Keywords:  fermion      tunneling rate      energy conservation      charge conservation  
Received:  12 February 2009      Revised:  05 March 2009      Accepted manuscript online: 
Fund: Project supported by the National Nature Science Foundation of China (Grant No 10773008).

Cite this article: 

Li Hui-Ling(李慧玲) and Yang Shu-Zheng(杨树政) Fermion tunneling of charged particles from a non-static black hole in de Sitter space 2009 Chin. Phys. B 18 4721

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