Object Picture of Quasinormal Modes for Stringy Black Holes

Details Object Picture of Quasinormal Modes for Stringy Black Holes Object Picture of Quasinormal Modes for Stringy Black Holes

2007-11-27

arxiv.org/abs/0711.4193v2

Chin.Phys.Lett.22:2763-2765,2005

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 5 figures

Scientific paper

10.1088/0256-307X/22/11/010

We study the quasinormal modes (QNMs) for stringy black holes. By using numerical calculation, the relations between the QNMs and the parameters of black holes are minutely shown. For (1+1)-dimensional stringy black hole, the real part of the quasinormal frequency increases and the imaginary part of the quasinormal frequency decreases as the mass of the black hole increases. Furthermore, the dependence of the QNMs on the charge of the black hole and the flatness parameter is also illustrated. For (1+3)-dimensional stringy black hole, increasing either the event horizon or the multipole index, the real part of the quasinormal frequency decreases. The imaginary part of the quasinormal frequency increases no matter whether the event horizon is increased or the multipole index is decreased.

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