Discussion on Event Horizon and Quantum Ergosphere of Evaporating Black Holes in a Tunnelling Framework

Details Discussion on Event Horizon and Quantum Ergosphere of Evaporating Black Holes in a Tunnelling Framework Discussion on Event Horizon and Quantum Ergosphere of Evaporating Black Holes in a Tunnelling Framework

2010-10-20

arxiv.org/abs/1010.4085v1

Phys.Rev.D83:064028,2011

Physics

High Energy Physics

High Energy Physics - Theory

8 pages

Scientific paper

10.1103/PhysRevD.83.064028

In this paper, with the Parikh-Wilczek tunnelling framework the positions of the event horizon of the Vaidya black hole and the Vaidya-Bonner black hole are calculated respectively. We find that the event horizon and the apparent horizon of these two black holes correspond respectively to the two turning points of the Hawking radiation tunnelling barrier. That is, the quantum ergosphere coincides with the tunnelling barrier. Our calculation also implies that the Hawking radiation comes from the apparent horizon.

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