Title:	Third post-Newtonian gravitational waveforms for compact binary systems in general orbits: Instantaneous terms
Authors:	Mishra, Chandrakanth Arun, K.G. Iyer, B.R.
Issue Date:	Apr-2015
Publisher:	American Physical Society
Citation:	Physical Review D, 2015, Vol.91, p 084040
Abstract:	We compute the instantaneous contributions to the spherical harmonic modes of gravitational waveforms from compact binary systems in general orbits up to the third post-Newtonian (PN) order. We further extend these results for compact binaries in quasielliptical orbits using the 3PN quasi-Keplerian representation of the conserved dynamics of compact binaries in eccentric orbits. Using the multipolar post-Minkowskian formalism, starting from the different mass and current-type multipole moments, we compute the spin-weighted spherical harmonic decomposition of the instantaneous part of the gravitational waveform. These are terms which are functions of the retarded time and do not depend on the history of the binary evolution. Together with the hereditary part, which depends on the binary’s dynamical history, these waveforms form the basis for construction of accurate templates for the detection of gravitational wave signals from binaries moving in quasielliptical orbits.
Description:	Open access
URI:	http://hdl.handle.net/2289/6606
ISSN:	1550-7998 1550-2368(Online)
Alternative Location:	http://arxiv.org/abs/1501.07096 http://dx.doi.org/10.1103/PhysRevD.91.084040 http://adsabs.harvard.edu/abs/2015PhRvD..91h4040M
Copyright:	2015 American Physical Society
Appears in Collections:	Research Papers (TP)

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