No New Quantum Thermal Effect of Dirac Particles in a Charged Vaidya - de Sitter Black Hole

Details No New Quantum Thermal Effect of Dirac Particles in a Charged Vaidya - de Sitter Black Hole No New Quantum Thermal Effect of Dirac Particles in a Charged Vaidya - de Sitter Black Hole

2001-08-07

arxiv.org/abs/hep-th/0108033v1

Nuovo Cim.B116:907-914,2001

Physics

High Energy Physics

High Energy Physics - Theory

12pt revtex, 10 pages, no figure, accepted for IL Nuovo Cimento B

Scientific paper

It is shown that Hawking radiation of Dirac particles does not exist for $P_1, Q_2$ components but for $P_2, Q_1$ components in a charged Vaidya - de Sitter black hole. Both the location and the temperature of the event horizon change with time. The thermal radiation spectrum of Dirac particles is the same as that of Klein-Gordon particles. Our result demonstrates that there is no new quantum effect in the thermal radiation of Dirac particles in any spherically symmetry black holes.

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