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New Coordinates for BTZ Black Hole and Hawking Radiation via Tunnelling

Wenbiao Liu
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Abstract

Hawking radiation can usefully be viewed as a semi-classical tunnelling process that originates at the black hole horizon. For the stationary axisymmetric BTZ black hole, a generalized Painleve coordinate system (Painleve-BTZ coordinates) is introduced, and Hawking radiation as tunnelling under the effect of self-gravitation is investigated. The corrected radiation is obtained which is not precise thermal spectrum. The result is consistent with the underlying unitary theory. Moreover, Bekenstein-Hawking entropy of BTZ black hole is not necessarily corrected when we choose appropriate coordinate system to study the tunnelling effect.

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Wenbiao Liu. 2005-12-16. New Coordinates for BTZ Black Hole and Hawking Radiation via Tunnelling. https://doi.org/10.1016/j.physletb.2006.01.028

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