Quasinormal modes of Kerr-like black bounce spacetime

Abstract: The quasinormal modes of the Kerr-like black bounce spacetime under the scalar field perturbations are studied. We derive the effective potential of scalar perturbation in Kerr-like black bounce spacetime, and study the influence of Kerr-like black bounce spacetime parameters on quasinormal modes by using WKB method and P\"{o}schl-Teller potential approximation. We find that Kerr-like black bounce spacetime has the analogous double-peaked potential as Schwarzschild-like black bounce spacetime, and mass of the scalar particle has a non-negligible effect on quasinormal modes of Kerr-like black bounce spacetime.