Quasinormal modes of a Schwarzschild black hole surrounded by free static spherically symmetric quintessence: electromagnetic perturbations |
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| Authors: | Yu Zhang Yuanxing Gui Fei Yu FengLin Li |
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| Institution: | (1) School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian, 116024, People’s Republic of China;(2) Department of Materials Science and Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon, 305-764, Korea |
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| Abstract: | In this paper, we evaluated the quasinormal modes of electromagnetic perturbation in a Schwarzschild black hole surrounded
by the static spherically symmetric quintessence by using the third-order WKB approximation when the quintessential state
parameter w
q
in the range of −1/3 < w
q
< 0. Due to the presence of quintessence, Maxwell field damps more slowly. And when at −1 < w
q
< −1/3, it is similar to the black hole solution in the ds/Ads spacetime. The appropriate boundary conditions need to be
modified. |
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| Keywords: | Quasinormal modes Electromagnetic perturbation WKB approximation |
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