中国物理B ›› 2006, Vol. 15 ›› Issue (1): 77-82.doi: 10.1088/1009-1963/15/1/012

• GENERAL • 上一篇    下一篇

Quasinormal modes of a stationary axisymmetric EMDA black hole

潘启沅, 荆继良   

  1. Institute of Physics, Hunan Normal University, Changsha 410081,China
  • 收稿日期:2005-04-22 修回日期:2005-07-11 出版日期:2006-01-20 发布日期:2006-01-20
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No 10473004),the FADEDD (Grant No 200317),and the SRFDP (Grant No 20040542003).

Quasinormal modes of a stationary axisymmetric EMDA black hole

Pan Qi-Yuan (潘启沅), Jing Ji-Liang (荆继良)   

  1. Institute of Physics, Hunan Normal University, Changsha 410081,China
  • Received:2005-04-22 Revised:2005-07-11 Online:2006-01-20 Published:2006-01-20
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No 10473004),the FADEDD (Grant No 200317),and the SRFDP (Grant No 20040542003).

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摘要： The massless scalar quasinormal modes (QNMs) of a stationary axisymmetric Einstein--Maxwell dilaton--axion (EMDA) black hole are calculated numerically using the continued fraction method first proposed by Leaver. The fundamental quasinormal frequencies (slowly damped QNMs) are obtained and the peculiar behaviours of them are studied. It is shown that these frequencies depend on the dilaton parameter $D$, the rotational parameter $a$, the multiple moment $l$ and the azimuthal number $m$, and have the same values with other authors at the Schwarzschild and Kerr limit.

Abstract: The massless scalar quasinormal modes (QNMs) of a stationary axisymmetric Einstein--Maxwell dilaton--axion (EMDA) black hole are calculated numerically using the continued fraction method first proposed by Leaver. The fundamental quasinormal frequencies (slowly damped QNMs) are obtained and the peculiar behaviours of them are studied. It is shown that these frequencies depend on the dilaton parameter $D$, the rotational parameter $a$, the multiple moment $l$ and the azimuthal number $m$, and have the same values with other authors at the Schwarzschild and Kerr limit.

Key words: Quasinormal modes (QNMs), the stationary axisymmetric EMDA black hole, the continued fraction method

中图分类号:  (Physics of black holes)

  • 04.70.-s
97.60.Lf (Black holes)