Gravitational energy of rotating black holes
نویسندگان
چکیده
منابع مشابه
Extreme Gravitational Lensing near Rotating Black Holes
We describe a new approach to calculating photon trajectories and gravitational lensing effects in the strong gravitational field of the Kerr black hole. These techniques are applied to explore both the imaging and spectral properties of photons that perform multiple orbits of the central mass before escaping to infinity. Viewed at large inclinations, these higher order photons contribute ∼ 20%...
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Assessing the stability of higher-dimensional rotating black holes requires a study of linearized gravitational perturbations around such backgrounds. We study perturbations of Myers-Perry black holes with equal angular momenta in an odd number of dimensions (greater than five), allowing for a cosmological constant. We find a class of perturbations for which the equations of motion reduce to a ...
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The two known exact solutions of Einstein’s field equations describing rotating objects of physical significance – a black hole and a rigidly rotating disk of dust – are discussed using a single mathematical framework related to Jacobi’s inversion problem. Both solutions can be represented in such a form that they differ in the choice of a complex parameter and a real solution of the axisymmetr...
متن کاملGravitational Perturbations of Higher Dimensional Rotating Black Holes
Assessing the stability of higher-dimensional rotating black holes requires a study of linearized gravitational perturbations around such backgrounds. We study perturbations of Myers-Perry black holes with equal angular momenta in an odd number of dimensions (greater than five), allowing for a cosmological constant. We find a class of perturbations for which the equations of motion reduce to a ...
متن کاملPolarization of Long-Wavelength Gravitational Waves by Rotating Black Holes
The scattering cross section for a long-wavelength planar gravitational wave impinging upon a rotating black hole is calculated, for the special case in which the direction of incidence is aligned with the rotation axis. We show that black hole rotation leads to a term in the cross section that is proportional to aω. Hence, contrary to some claims, co-rotating and counter-rotating helicities ar...
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ژورنال
عنوان ژورنال: Journal of Mathematical Physics
سال: 1996
ISSN: 0022-2488,1089-7658
DOI: 10.1063/1.531778