Quasinormal modes of a black hole with quintessence-like matter and a deficit solid angle: scalar and gravitational perturbations

Abstract

In the previous paper (Li, X. Z., Xi, P., Zhai, X. H.: Phys. Lett. B{\bf666}, 125-130 (2008)), we show the solutions of Einstein equations with static spherically-symmetric quintessence-like matter surrounding a global monopole. Furthermore, this monopole become a black hole with quintessence-like matter and a deficit solid angle when it is swallowed by an ordinary black hole. We study its quasinormal modes by WKB method in this paper. The numerical results show that both the real part of the quasinormal frequencies and the imaginary part decrease as the state parameter $w$, for scalar and gravitational perturbations. And we also show variations of quasinormal frequencies of scalar and gravitational fields via different $\epsilon$ (deficit solid angel parameter) and different ${\rho }_0$ (density of static spherically-symmetric quintessence-like matter at $r=1$), respectively.

5pages

References in corpus (4)

• Measuring the Baryon Acoustic Oscillation scale using the SDSS and 2dFGRS
• Quasinormal modes of gravitational perturbation around a Schwarzschild black hole surrounded by quintessence
• The gravitational field of a global monopole
• Global monopole surrounded by quintessence-like matter

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• Scattering of axial gravitational wave pulses by monopole black holes and QNMs
• Late time tails of fields around Schwarzschild black hole surrounded by quintessence
• Joule-Thomson expansion of Reissner-Nordström-Anti-de Sitter black holes with cloud of strings and quintessence
• Stability of horizon with pressure and volume of d-dimensional charged AdS black holes with cloud of strings and quintessence
• Thermodynamics and overcharging problem in the extended phase spaces of charged AdS black holes with cloud of strings and quintessence under charged particle absorption