Finn, Lee Samuel (1985) Gravitational waves from solar oscillations: Proposal for a transition-zone test of general relativity. Classical and Quantum Gravity, 2 (3). pp. 381-402. ISSN 0264-9381 http://resolver.caltech.edu/CaltechAUTHORS:20120629-084011332
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Observed oscillations of the sun with five to ten minute periods are a predicted source of gravitational radiation with a strain at the earth of approximately ~10^(-26). In the transition zone (2 πr~λ; inner part of the solar system) the dynamical character of the gravitational field emerges as a phase shift of the oscillatory tidal force relative to the phase of the solar oscillations. The phase shift is sensitive to the spin of the gravitational field, suggesting a test of the spin composition of relativistic gravity. The author investigates and compares the transition-zone phase shift for three pure-spin theories: Nordstrom's theory (a spin-0 theory), a vector theory analogous to electromagnetism (spin-1), and general relativity (spin-2); and for Jordan-Brans-Dicke theory in which gravity is a mixture of spins 2 and 0. The solar gravitational waves might be detectable, near the turn of the century, by optically linked gravitational antennae flown in space. Such detection would permit a direct measure of the spin composition of relativistic gravity.
|Additional Information:||© 1985 The Institute of Physics. Received 31 July 1984. I thank Kip S Thorne for suggesting this problem, for helpful discussions at several stages of the work, and for a critical reading of the manuscript. I also thank Yekta Gursel for useful discussions on the techniques of multipolar expansions of gravitational radiation. Pawan Kumar and Eric Aslakson provided me with details of solar oscillation research, both theoretical and observational. Part of this work was supported by NSF grant AST82-14126.|
|Subject Keywords:||Gravitation and cosmology Astrophysics and astroparticles|
|Classification Code:||PACS: 04.80.Nn, 96.60.Ly, 04.20.-q. MSC: 83C35|
|Official Citation:||Gravitational waves from solar oscillations: Proposal for a transition-zone test of general relativity L S Finn 1985 Class. Quantum Grav. 2 381|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ruth Sustaita|
|Deposited On:||02 Jul 2012 16:12|
|Last Modified:||02 Jul 2012 16:12|
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