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Propagation and Evolution of a Scalar Field in Einstein–Power–Maxwell Spacetime |
| LIU Yan, JING Ji-Liang** |
| Department of Physics, and Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Hunan Normal University, Changsha 410081 |
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| Cite this article: |
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LIU Yan, JING Ji-Liang 2012 Chin. Phys. Lett. 29 010402 |
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Abstract The propagation and dynamical evolution of a scalar field in the background of a (2+1)-dimensional Einstein–Power–Maxwell (EPM) black hole are studied. We obtain an analytical expression for the greybody factor, which shows that the greybody factor increases as the electric charge increases and approaches unity for large frequencies. We also find the quasinormal modes of the black hole, which tell us that the EPM spacetime is very stable.
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| Keywords:
04.70.Bw
04.70.-s
97.60.Lf
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Received: 20 September 2011
Published: 07 February 2012
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