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Role of dense matter in tidal deformations of inspiralling neutron stars and in gravitational waveforms with unified equations of state

par Perot, Loïc ;Chamel, Nicolas
Référence Physical Review C, 103, page (025801)
Publication Publié, 2021-02-11

Article révisé par les pairs

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Résumé :

The role of dense-matter properties in the tidal deformability of a cold nonaccreted neutron star is further investigated. Using the set of Brussels-Montreal unified equations of state, we have computed the gravitoelectric Love numbers kℓ and the gravitomagnetic Love numbers jℓ up to ℓ=5. Their relative importance and their sensitivity to the symmetry energy and the neutron-matter stiffness are numerically assessed. Their impact on the phase of the gravitational-wave signal emitted by binary neutron star inspirals is also discussed.