On the validity of the adiabatic approximation in compact binary inspirals

Maselli, Andrea, Gualtieri, Leonardo, Ferrari, Valeria and Pannarale Greco, Francesco ORCID: https://orcid.org/0000-0002-7537-3210 2015. On the validity of the adiabatic approximation in compact binary inspirals. Presented at: Proceedings of the MG13 Meeting on General Relativity, The thirteenth Marcel Grossmann meeting: on recent developments in theoretical and experimental general relativity, astrophysics, and relativistic field theories. World Scientific, pp. 951-953. 10.1142/9789814623995_0052

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Abstract

We use the post-Newtonian-Affine model to assess the validity of the adiabatic approximation in modeling tidal effects in the phase evolution of compact binary systems. We compute the dynamical evolution of the tidal tensor, which we estimate at the 2PN order, and of the quadrupole tensor, finding that their ratio, i.e. the tidal deformability, increases in the last phases of the inspiral. We derive the gravitational wave phase corrections due to this phenomenon and quantify how they affect gravitational wave detectability.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	World Scientific
Last Modified:	28 Oct 2022 10:38
URI:	https://orca.cardiff.ac.uk/id/eprint/79114

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