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  Gravitational waveforms in scalar-tensor gravity at 2PN relative order

Sennett, N., Marsat, S., & Buonanno, A. (2016). Gravitational waveforms in scalar-tensor gravity at 2PN relative order. Physical Review D, 94: 084003. doi:10.1103/PhysRevD.94.084003.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-00DF-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-3F2D-9
Genre: Journal Article

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1607.01420.pdf (Preprint), 328KB
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 Creators:
Sennett, Noah1, Author              
Marsat, Sylvain1, Author              
Buonanno, Alessandra1, Author              
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:1933290              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: We compute the gravitational waveform from a binary system in scalar-tensor gravity at 2PN relative order. We restrict our calculation to non-spinning binary systems on quasi-circular orbits and compute the spin-weighted spherical modes of the radiation. The evolution of the phase of the waveform is computed in the time and frequency domains. The emission of dipolar radiation is the lowest-order dissipative process in scalar-tensor gravity. However, stringent constraints set by current astrophysical observations indicate that this effect is subdominant to quadrupolar radiation for most prospective gravitational-wave sources. We compute the waveform for systems whose inspiral is driven by: (a) dipolar radiation (e.g., binary pulsars or spontaneously scalarized systems) and (b) quadrupolar radiation (e.g., typical sources for space-based and ground-based detectors).

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 Dates: 2016-07-052016
 Publication Status: Published in print
 Pages: 23 pages
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1607.01420
URI: http://arxiv.org/abs/1607.01420
DOI: 10.1103/PhysRevD.94.084003
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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: 94 Sequence Number: 084003 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258