Andersson, Nils and Kokkotas, Kostas D.
Gravitational waves and pulsating stars: what can we hope to learn from future observations?
Physical Review Letters, 77, (20), . (doi:10.1103/PhysRevLett.77.4134).
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We present new results for pulsating stars in general relativity. First we show that the so-called gravitational-wave modes of a neutron star can be excited when a gravitational wave impinges on the star. Numerical simulations suggest that the modes may be astrophysically relevant, and we discuss whether they will be observable with future gravitational-wave detectors. We also discuss how such observations could lead to estimates of both the radius and the mass of a neutron star, and thus put constraints on the nuclear equation of state.
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