Tunnelling from black holes and tunnelling into white holes

Details Tunnelling from black holes and tunnelling into white holes Tunnelling from black holes and tunnelling into white holes

2007-04-13

arxiv.org/abs/0704.1746v4

Phys.Lett.B661:307-311,2008

Physics

High Energy Physics

High Energy Physics - Theory

REVTeX, 6 pages; changed interpretation for white hole spacetimes; to appear in PLB

Scientific paper

10.1016/j.physletb.2008.02.034

Hawking radiation is nowadays being understood as tunnelling through black hole horizons. Here, the extension of the Hamilton-Jacobi approach to tunnelling for non-rotating and rotating black holes in different non-singular coordinate systems not only confirms this quantum emission from black holes but also reveals the new phenomenon of absorption into white holes by quantum mechanical tunnelling. The role of a boundary condition of total absorption or emission is also clarified.

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