High accuracy post-Newtonian and numerical relativity comparisons involving higher modes for eccentric binary black holes and a dominant mode eccentric inspiral-merger-ringdown model

Chattaraj, Abhishek, RoyChowdhury, Tamal, Divyajyoti, Divyajyoti ORCID: https://orcid.org/0000-0002-2787-1012, Kant Mishra, Chandra and Gupta, Anshu 2022. High accuracy post-Newtonian and numerical relativity comparisons involving higher modes for eccentric binary black holes and a dominant mode eccentric inspiral-merger-ringdown model. Physical Review D (particles, fields, gravitation, and cosmology) 106 (12) , 124008. 10.1103/PhysRevD.106.124008

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Abstract

Spherical harmonic modes of gravitational waveforms for inspiraling compact binaries in eccentric orbits from post-Newtonian (PN) theory accurate to third post-Newtonian order and those extracted from numerical relativity (NR) simulations for binary black holes (BBHs) are compared. We combine results from the two approaches (PN and NR) to construct time-domain hybrid waveforms that describe the complete evolution of BBH mergers through inspiral-merger-ringdown (IMR) stages. These hybrids are then used in constructing a fully analytical dominant mode (ℓ=2, |

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Publisher:	American Physical Society
ISSN:	2470-0010
Date of Acceptance:	17 October 2022
Last Modified:	15 Oct 2024 13:00
URI:	https://orca.cardiff.ac.uk/id/eprint/172766

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