The Last Three Seconds: Packed Message delivered by Tides in Binary Neutron 
Star Mergers

Kuan, Hao-Jui; Kokkotas, Kostas D.

doi:10.1103/PhysRevD.108.063026

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The Last Three Seconds: Packed Message delivered by Tides in Binary Neutron Star Mergers

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Kuan, Hao-Jui
Computational Relativistic Astrophysics, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Citation

Kuan, H.-J., & Kokkotas, K. D. (2023). The Last Three Seconds: Packed Message delivered by Tides in Binary Neutron Star Mergers. Physical Review D, 108(6): 063026. doi:10.1103/PhysRevD.108.063026.

Cite as: https://hdl.handle.net/21.11116/0000-000D-B1DB-4

Abstract

It is known that the leading-order tidal effects in gravitational waveforms
can be quantified by tidal deformability, while higher order terms, e.g.,
harmonic overtones of Love number and dynamical tides, have not been
well-investigated yet. The concept of a ``form factor'', which is different
from while resembles the effective tidal deformability, for the tidal
interactions between neutron stars in coalescing binaries is illustrated here.
The form factor effectively incorporates the contribution of dynamical tides.
The dependence of tidal form factor on tidal deformability, spins, and
inclination angles is modeled and expressed in a closed form.