Abstract
In this paper, using asymptotic iteration method and eikonal limit, the massive scalar quasinormal modes (QNM) is studied in regular Hayward spacetime, which is much similar to Schwarzschild black hole when r→∞ but there is no singularity at the center. We analyze the QNM frequencies ω by varying the parameter β (it is related to mass of black hole and cosmological constant), spherical harmonic index L and the mass of scalar field m. The results show that the effect of β could lead to the real part of ω increase but the imaginary part decrease, which imply that the existence of cosmological constant would impact on the process of a black hole relaxing after it has been perturbed.
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Lin, K., Li, J. & Yang, S. Quasinormal Modes of Hayward Regular Black Hole. Int J Theor Phys 52, 3771–3778 (2013). https://doi.org/10.1007/s10773-013-1682-4
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DOI: https://doi.org/10.1007/s10773-013-1682-4