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  Modeling multipolar gravitational-wave emission from small mass-ratio mergers

Barausse, E., Buonanno, A., Hughes, S. A., Khanna, G., O'Sullivan, S., & Pan, Y. (2012). Modeling multipolar gravitational-wave emission from small mass-ratio mergers. Physical Review D, 85(2): 024046. doi:10.1103/PhysRevD.85.024046.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0023-F7AE-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-2642-E
Genre: Journal Article

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1110.3081.pdf (Preprint), 3MB
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 Creators:
Barausse, Enrico, Author
Buonanno, A.1, 2, 3, Author              
Hughes, Scott A., Author
Khanna, Gaurav, Author
O'Sullivan, Stephen, Author
Pan, Yi, Author
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:1933290              
2Maryland Center for Fundamental Physics & Joint Space-Science Center, Department of Physics, University of Maryland, escidoc:persistent22              
3Radclie Institute for Advanced Study, Harvard University, escidoc:persistent22              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc, Astrophysics, Galaxy Astrophysics, astro-ph.GA
 Abstract: Using the effective-one-body (EOB) formalism and a time-domain Teukolsky code, we generate inspiral, merger, and ringdown waveforms in the small mass-ratio limit. We use EOB inspiral and plunge trajectories to build the Teukolsky equation source term, and compute full coalescence waveforms for a range of black hole spins. By comparing EOB waveforms that were recently developed for comparable mass binary black holes to these Teukolsky waveforms, we improve the EOB model for the (2,2), (2,1), (3,3), and (4,4) modes. Our results can be used to quickly and accurately extract useful information about merger waves for binaries with spin, and should be useful for improving analytic models of such binaries.

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 Dates: 2011-10-132012-01-232012
 Publication Status: Published in print
 Pages: 19 pages, 14 figures, 6 tables. Minor revisions (results unchanged) to match version published in PRD
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 Rev. Method: -
 Identifiers: arXiv: 1110.3081
DOI: 10.1103/PhysRevD.85.024046
URI: http://arxiv.org/abs/1110.3081
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 85 (2) Sequence Number: 024046 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258