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Quasi-resonant Modes of Massive Scalar Fields in Schwarzschild–de Sitter Space-Time |
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| Authors: | Jia-Feng Chang Juan Huang You-Gen Shen |
| Institution: | (1) Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai, 200030, China;(2) Hefei Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, 230031, Anhui, China;(3) Graduate School of Chinese Academy of Sciences, Beijing, 100039, China;(4) National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, China;(5) Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, 100080, China |
| Abstract: | Recent research of massive fields quasinormal modes suggested that the arbitrary long living modes can be exist. Using different orders of WKB method, we study the massive scalar fields quasinormal modes of Schwarzschild–de Sitter black holes. It is shown that the WKB method can not applied for large massive scalar fields directly in asymptotic flat space-time but can fit well in de Sitter space-time. We prove the non-existence of QRMs in de Sitter space-time and find that the real parts of QNMs increase linearly and the imaginary parts approach to special values as the mass of scalar fields increase. |
| Keywords: | Massive Dirac fields Quasinormal modes Low-laying |
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