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. 2000 Apr 17;84(16):3519-22.
doi: 10.1103/PhysRevLett.84.3519.

Prospects for gravitational-wave observations of neutron-star tidal disruption in neutron-star-black-hole binaries

M Vallisneri  1
Affiliations
Free article

Prospects for gravitational-wave observations of neutron-star tidal disruption in neutron-star-black-hole binaries

M Vallisneri. Phys Rev Lett. .
Free article

Abstract

For an inspiraling neutron-star-black-hole (NS-BH) binary, we estimate the gravity-wave frequency f(td) at the onset of NS tidal disruption. We model the NS as a tidally distorted, homogeneous, Newtonian ellipsoid on a circular, equatorial geodesic around a Kerr BH. We find that f(td) depends strongly on the NS radius R, and estimate that LIGO-II (ca. 2006-2008) might measure R to 15% precision at 140 Mpc ( approximately 1 event/yr under current estimates). This suggests that LIGO-II might extract valuable information about the NS equation of state from tidal-disruption waves.

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