On tunneling across horizons

Details On tunneling across horizons On tunneling across horizons

2011-04-08

arxiv.org/abs/1104.1569v2

Europhys.Lett.95:20001,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Latex Document, 5 pages, 2 figures, title changed, abstract changed, added references, results unchanged

Scientific paper

10.1209/0295-5075/95/20001

The tunneling method for stationary black holes in the Hamilton-Jacobi variant is reconsidered in the light of various critiques that have been moved against. It is shown that once the tunneling trajectories have been correctly identified the method isfree from internal inconsistencies, it is manifestly covariant, it allows for the extension to spinning particles and it can even be used without solving the Hamilton-Jacobi equation. These conclusions borrow support on a simple analytic continuation of the classical action of a pointlike particle, made possible by the unique assumption that it should be analytic in complexified Schwarzschild or Kerr-Newman spacetimes. A more general version of the Parikh-Wilczek method will also be proposed along these lines.

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