Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2004-09-10
Phys.Rev. D70 (2004) 124017
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
15 pages 3 figures
Scientific paper
10.1103/PhysRevD.70.124017
R-modes of a rotating neutron star are unstable because of the emission of gravitational radiation. We explore the saturation amplitudes of these modes determined by nonlinear mode-mode coupling. Modelling the star as incompressible allows the analytic computation of the coupling coefficients. All couplings up to n=30 are obtained, and analytic values for the shear damping and mode normalization are presented. In a subsequent paper we perform numerical simulations of a large set of coupled modes.
Brink Jeandrew
Teukolsky Saul A.
Wasserman Ira
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