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Asymptotic Tails of Massive Scalar Fields in a Stationary Axisymmetric EMDA Black Hole Geometry |
| PAN Qi-Yuan;JING Ji-Liang |
| Institute of Physics, Hunan Normal University, Changsha 410081 |
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| Cite this article: |
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PAN Qi-Yuan, JING Ji-Liang 2004 Chin. Phys. Lett. 21 1873-1876 |
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Abstract The late-time tail behaviour of massive scalar fields is studied analytically in a stationary axisymmetric Einstein-Maxwell Dilaton-Axion (EMDA) black hole geometry. It is shown that the asymptotic behaviour of massive perturbations is dominated by the oscillatory inverse power-law decaying tail t-(l+3/2)sin(μt) at the intermediate late times, and by the asymptotic tail t-5/6sin(μt) at asymptotically late times, with μ being field mass. Our result seems to suggest that the intermediate tails t-(l+3/2)sin(μt) and the asymptotically tails t-5/6sin(μt) may be a quite general feature for evolution of massive scalar fields in any four-dimensional asymptotically flat rotating black hole backgrounds.
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| Keywords:
03.65.Pm
04.30.Nk
04.70.Bw
97.60.Lf
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Published: 01 October 2004
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