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  Intermediate mass-ratio black hole binaries: Applicability of small mass-ratio perturbation theory

van de Meent, M., & Pfeiffer, H. P. (2020). Intermediate mass-ratio black hole binaries: Applicability of small mass-ratio perturbation theory. Physical Review Letters, 125: 181101. doi:10.1103/PhysRevLett.125.181101.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-607C-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-784A-0
Genre: Journal Article

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 Creators:
van de Meent, Maarten1, Author              
Pfeiffer, Harald P.1, Author              
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: The dynamics of merging black hole binaries with small mass-ratios (SMR) can be expressed as a series in the symmetric mass-ratio, the post-adiabatic expansion. Using numerical relativity simulations, we compute the first three terms in this series for quasicircular non-spinning binaries. We recover the leading term predicted by SMR perturbation theory, and obtain a robust prediction of the 1-post-adiabatic term. The 2-post-adiabatic term is found to be small, indicating that the 1PA approximation may be quite accurate even for nearly comparable mass binaries. We also estimate the range of applicability for SMR and post-Newtonian series for non-spinning, quasi-circular inspirals.

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 Dates: 2020-06-222020-11-032020
 Publication Status: Published in print
 Pages: 6 pages, 4 figures, published version
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 2006.12036
DOI: 10.1103/PhysRevLett.125.181101
 Degree: -

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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 125 Sequence Number: 181101 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1