Reduced Hamiltonian for intersecting shells and Hawking radiation

Details Reduced Hamiltonian for intersecting shells and Hawking radiation Reduced Hamiltonian for intersecting shells and Hawking radiation

2009-12-19

arxiv.org/abs/0912.3873v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, 5 figures. Talk at the 1st Mediterranean Conference on Classical and Quantum Gravity, Kolymbari, Greece, 14-18 Septe

Scientific paper

We consider the dynamics of one or more self gravitating shells of matter in a centrally symmetric gravitational field in the Painleve' family of gauges. We give the reduced hamiltonian for two intersecting shells, both massless and massive. Such a formulation is applied to the computation of the semiclassical action of two intersecting shells. The relation of the imaginary part of the space-part of the action to the computation of the Bogoliubov coefficients is revisited.

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