Evolution of electromagnetic and Dirac perturbations around a black hole in Horava gravity
arXiv:1010.0549 · doi:10.1142/S0217732311035936
Abstract
The evolution of electromagnetic and Dirac perturbations in the spacetime geometry of Kehagias-Sfetsos(KS) black hole in the deformed Horava-Lifshitz(HL) gravity is investigated and the associated quasinormal modes are evaluated using time domain integration and WKB methods. We find a considerable deviation in the nature of field evolution in HL theory from that in the Schwarzschild spacetime and QNMs region extends over a longer time in HL theory before the power-law tail decay begins. The dependence of the field evolution on the HL parameter are studied. In the time domain picture we find that the length of QNM region increases with . But the late time decay of field follows the same power-law tail behavior as in the case of Schwarzschild black hole.
The article was fully rewritten, references added, to appear in MPLA
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Cited by in corpus (9)
- Perturbations and Quasinormal Modes of the Dirac Field in Effective Quantum Gravity
- Thermodynamics and Thermodynamic geometry of Park black hole
- Long-lived Quasinormal modes around regular black holes and wormholes in Covariant Effective Quantum Gravity
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