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Graviton mass from close white dwarf binaries detectable with LISA

Cooray, Asantha and Seto, Naoki (2004) Graviton mass from close white dwarf binaries detectable with LISA. Physical Review D, 69 (10). Art. No. 103502. ISSN 2470-0010. doi:10.1103/PhysRevD.69.103502.

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The arrival times of gravitational waves and optical light from orbiting binaries provide a mechanism to understand the propagation speed of gravity when compared to that of light or electromagnetic radiation. This is achieved with a measurement of any offset between the optically derived orbital phase and that derived from gravitational wave data, at a specified location of one binary component with respect to the other. Using a sample of close white dwarf binaries (CWDBs) detectable with the Laser Interferometer Space Antenna and optical light curve data related to binary eclipses from meter-class telescopes for the same sample, we determine the accuracy to which orbital phase differences can be extracted. We consider an application of these measurements involving a variation of the speed of gravity, when compared to the speed of light, due to a massive graviton. For a subsample of ∼400 CWDBs with high signal-to-noise ratio gravitational wave and optical data with magnitudes brighter than 25, the combined upper limit on the graviton mass is at the level of ∼6×10^-24 eV. This limit is two orders of magnitude better than the present limit derived by Yukawa-correction arguments related to the Newtonian potential and applied to the Solar System.

Item Type:Article
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Cooray, Asantha0000-0002-3892-0190
Additional Information:© 2004 The American Physical Society. Received 2 November 2003; published 7 May 2004. We thank Alison Farmer for information related to the binary sample and Daniel Holz for pointing out previous work on this subject. This work was supported in part by DOE Grant DE-FG03-92-ER40701 and the Sherman Fairchild foundation (AC) and by NASA Grant NAG5-10707 and the Japan Society for the Promotion of Science (NS).
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG03-92-ER40701
Sherman Fairchild FoundationUNSPECIFIED
Japan Society for the Promotion of Science (JSPS)UNSPECIFIED
Issue or Number:10
Record Number:CaltechAUTHORS:COOprd04c
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10936
Deposited By: Archive Administrator
Deposited On:19 Jun 2008
Last Modified:08 Nov 2021 21:12

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