The linear theory of gravitation in the radiation gauge |
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Authors: | W. B. Campbell |
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Affiliation: | (1) Behlen Laboratory of Physics, University of Nebraska, 68508 Lincoln, Nebraska |
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Abstract: | A global gauge for the linear theory of gravity is given which avoids the (In(R))/R problem of harmonic coordinates. Consequently it is possible to do 1/R expansions for precisely those null sources which lead to difficulties in the harmonic gauge. This is important, for example, in second order calculations where the first order field is a gravitational wave. This gauge makes manifest the two degrees of freedom for the dynamic fields. In it the second time derivative of the metric itself has physical significance since Roioj=–1/2hij.Work supported in part by NSF Grant No. GP-13959. |
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