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München 2019 – wissenschaftliches Programm

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GR: Fachverband Gravitation und Relativitätstheorie

GR 7: Modified Gravity and Applications

GR 7.7: Vortrag

Mittwoch, 20. März 2019, 12:30–12:45, HS 5

The Ringdown of Wormholes — •Xiao Yan Chew, Jose Luis Blazquez-Salcedo, and Jutta Kunz — Carl von Ossietzky Universität Oldenburg Fakultät V - Mathematik und Naturwissenschaften Carl-von-Ossietzky-Str. 9-11 26129 Oldenburg

We calculate the quasinormal modes by WKB method and numerical direct integration for scalar, axial and radial perturbations of wormholes supported by a phantom scalar field. The spectrum of the quasinormal modes is compared with the spectrum of Schwarzschild black holes. For fixed multipole number l and large mass M the wormhole modes approach their black hole counterparts as 1/M.

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