Quasinormal frequencies of asymptotically flat two-dimensional black holes

Details Quasinormal frequencies of asymptotically flat two-dimensional black holes Quasinormal frequencies of asymptotically flat two-dimensional black holes

2011-05-13

arxiv.org/abs/1105.2802v1

Gen.Rel.Grav.43:2631-2647,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages. Accepted for publication in Gen. Rel. and Grav

Scientific paper

10.1007/s10714-011-1185-7

We discuss whether the minimally coupled massless Klein-Gordon and Dirac fields have well defined quasinormal modes in single horizon, asymptotically flat two-dimensional black holes. To get the result we solve the equations of motion in the massless limit and we also calculate the effective potentials of Schrodinger type equations. Furthermore we calculate exactly the quasinormal frequencies of the Dirac field propagating in the two-dimensional uncharged Witten black hole. We compare our results on its quasinormal frequencies with other already published.

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