Quasinormal Modes of Electromagnetic Perturbation around a Stringy Black Hole

ZHANG Yu; GUI Yuan-Xing; YU Fei; WANG Fu-Jun

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Quasinormal Modes of Electromagnetic Perturbation around a Stringy Black Hole

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We investigate the electromagnetic perturbation around a stringy black hole. A second-order differential equation is obtained for the perturbation. The variation of the effective potential with r is presented. The complex frequencies of the quasinormal modes of electromagnetic perturbation around a stringy black hole are computed by the third Wentzel-Kramers-Brillouin (WKB) approximation. The results show that the parameters resulted from the compactification of higher dimensions can influence the quasinormal complex frequencies, and the Maxwell field around a stringy black hole damps more slowly than that around a Schwarzschild black hole.

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《中国物理快报：英文版》 |2007年第10期|2749-2751|共3页
作者
ZHANG Yu; GUI Yuan-Xing; YU Fei; WANG Fu-Jun;
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School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024;

School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024;

School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024;

School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024;

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中图分类物理学;
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Quasinormal Modes of Electromagnetic Perturbation around a Stringy Black Hole

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