Scattering of particles by neutron stars: Time-evolutions for axial perturbations

Abstract

The excitation of the axial quasi-normal modes of a relativistic star by scattered particles is studied by evolving the time dependent perturbation equations. This work is the first step towards the understanding of more complicated perturbative processes, like the capture or the scattering of particles by rotating stars. In addition, it may serve as a test for the results of the full nonlinear evolution of binary systems.

arXiv comment7 pages, 5 figures, Phys. Rev. D in press

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