Effects of Tidal Resonances in Coalescing Compact Binary Systems

Details Effects of Tidal Resonances in Coalescing Compact Binary Systems Effects of Tidal Resonances in Coalescing Compact Binary Systems

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994pthph..91..871s&link_type=abstract

Progress of Theoretical Physics, Vol. 91, No. 5, pp. 871-883.

Physics

9

Scientific paper

Effects of tidal resonances to the evolution of compact star binaries, such as binary neutron stars or neutron star-black hole binaries, are studied. We apply the Press-Teukolsky algorithm to a simple neutron star model whose companion moves with a circular orbit. To see effects of the tidal resonances, we compare the deposited energy in the star with the dissipated energy of a circular motion due to the emission of gravitational waves. It is found that under realistic situations, the g-mode resonance oscillations do not affect the evolution of binary systems so much, while the f-mode may induce a transition from a steady inspiral to an unstable plunge of compact star binaries.

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