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Analytic solutions to the accretion of a rotating finite cloud towards a central object - II. Schwarzschild spacetime
accretion, accretion discs, black hole physics, hydrodynamics, relativistic processes
2011/9/30
We construct a general relativistic model for the accretion flow of a rotating finite cloud of non-interacting particles infalling onto a Schwarzschild black hole. The streamlines start at a spherical...
Wave Propagation and Quasinormal Mode Excitation on Schwarzschild Spacetime
Wave Propagation Quasinormal Mode Schwarzschild Spacetime General Relativity and Quantum Cosmology
2011/7/28
Abstract: To seek a deeper understanding of wave propagation on the Schwarzschild spacetime, we investigate the relationship between (i) the lightcone of an event and its caustics (self-intersections)...
Noise kernel for a quantum field in Schwarzschild spacetime under the Gaussian approximation
quantum field Schwarzschild spacetime Gaussian approximation
2010/12/20
A method is given to compute the noise kernel, defined as the symmetrized con-nected 2-point function of the stress tensor, for the conformally invariant scalar field in the Hartle-Hawking state in Sc...
Maximal extension of the Schwarzschild spacetime inspired by noncommutative geometry
noncommutative geometry Schwarzschild spacetime
2010/3/17
We derive a transformation of the noncommutative geometry inspired Schwarzschild solution
into new coordinates such that the apparent unphysical singularities of the metric are removed.
Moreover, we...