Unitary evolution of perturbations of a two-dimensional black hole

Details Unitary evolution of perturbations of a two-dimensional black hole Unitary evolution of perturbations of a two-dimensional black hole

2006-01-25

arxiv.org/abs/hep-th/0601186v1

Phys.Lett.B637:113-118,2006

Physics

High Energy Physics

High Energy Physics - Theory

11 pages

Scientific paper

10.1016/j.physletb.2006.04.019

We discuss massive scalar perturbations of a two-dimensional dilaton black hole. We employ a Pauli-Villars reqularization scheme to calculate the effect of the scalar perturbation on the Bekenstein-Hawking entropy. By concentrating on the dynamics of the scalar field near the horizon, we argue that quantum effects alter the effective potential. We calculate the two-point function explicitly and show that it exhibits Poincare recurrences.

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