Comparing second-order gravitational self-force and effective-one-body waveforms from inspiralling, quasicircular black hole binaries with a nonspinning primary and a spinning secondary

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F24%3A00597856" target="_blank" >RIV/67985815:_____/24:00597856 - isvavai.cz</a>

Alternative codes found

RIV/00216208:11320/24:10484325

Result on the web

<a href="https://doi.org/10.1103/PhysRevD.110.044034" target="_blank" >https://doi.org/10.1103/PhysRevD.110.044034</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevD.110.044034" target="_blank" >10.1103/PhysRevD.110.044034</a>

Result language

angličtina

Original language name

Comparing second-order gravitational self-force and effective-one-body waveforms from inspiralling, quasicircular black hole binaries with a nonspinning primary and a spinning secondary

Original language description

We present the first comparison of waveforms evaluated using the effective-one-body (EOB) approach and gravitational self-force (GSF) theory for inspiralling black hole binaries with a nonspinning primary and a spinning secondary. This paper belongs to a series of papers comparing the EOB model TEOBResumS esum S to GSF results, where the latter are used to benchmark the EOB analytical choices in the large-mass-ratio regime. In this work, we explore the performance of two gauge choices for the gyro-gravitomagnetic functions G(S), G(S) entering the spin-orbit sector within the EOB dynamics. In particular, we consider the usual gauge of TEOBResumS, esum S, where G(S) and G(S) only depend on the inverse radius and the radial momentum, and a different gauge where these functions also depend on the azimuthal momentum. The latter choice allows us to exploit as prefactor in G(S), the complete expression G(S*)(K) for a spinning particle on Kerr. As done previously, we employ both waveform alignments in the time domain and a gauge-invariant frequency- domain analysis to gain a more complete understanding of the impact of the new analytical choice. The frequency-domain analysis is particularly useful in confirming that the gyro-gravitomagnetic functions in the new chosen gauge bring the EOB spin contribution at first postadiabatic order closer to the GSF one. We finally implement the improved functions within the public code for TEOBResum S-Dali, which already incorporates eccentricity. In this way, we upgrade the EOB model for extreme-mass-ratio inspirals presented in our previous work.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10308 - Astronomy (including astrophysics,space science)

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2024

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Physical Review D

ISSN

2470-0010

e-ISSN

2470-0029

Volume of the periodical

110

Issue of the periodical within the volume

4

Country of publishing house

US - UNITED STATES

Number of pages

16

Pages from-to

044034

UT code for WoS article

001294893000005

EID of the result in the Scopus database

2-s2.0-85201673772