Scalar field excited around a rapidly rotating black hole in Chern-Simons modified gravity
arXiv:1406.0957 · doi:10.1103/PhysRevD.90.064011
Abstract
We discuss a Chern-Simons (CS) scalar field around a rapidly rotating black hole in dynamical CS modified gravity. The CS correction can be obtained perturbatively by considering the Kerr spacetime to be the background. We obtain the CS scalar field solution around the black hole analytically and numerically, assuming a stationary and axisymmetric configuration. The scalar field diverges on the inner horizon when we impose the boundary condition that the scalar field is regular on the outer horizon and vanishes at infinity. Therefore, the CS scalar field becomes problematic on the inner horizon.
10 pages, 5 figures; Revised version, accepted for publication in PRD
References in corpus (14)
- Effective Field Theory for Inflation
- Dynamical Chern-Simons Modified Gravity I: Spinning Black Holes in the Slow-Rotation Approximation
- Null geodesics and shadow of a rotating black hole in extended Chern-Simons modified gravity
- The Barbero-Immirzi Parameter as a Scalar Field: K-Inflation from Loop Quantum Gravity?
- The effects of Chern-Simons gravity on bodies orbiting the Earth
- Extreme- and Intermediate-Mass Ratio Inspirals in Dynamical Chern-Simons Modified Gravity
- How do Black Holes Spin in Chern-Simons Modified Gravity?
- Testing gravitational parity violation with coincident gravitational waves and short gamma-ray bursts
- Peccei--Quinn mechanism in gravity and the nature of the Barbero--Immirzi parameter
- Effective Gravitational Wave Stress-energy Tensor in Alternative Theories of Gravity
- Perturbations of Schwarzschild Black Holes in Chern-Simons Modified Gravity
- Rapidly rotating black holes in dynamical Chern-Simons gravity: Decoupling limit solutions and breakdown
- Does a black hole rotate in Chern-Simons modified gravity?
- Flat rotation curves in Chern-Simons modified gravity
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