Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2001-07-10
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
9 pages. Revision corrects minor typos and modifies introduction
Scientific paper
A generalized covariant method of analysis applicable to frames for which time is not orthogonal to space, such as spacetime around a star possessing angular momentum or on a rotating disk, is presented. Important aspects of such an analysis are shown to include i) use of the physically relevant contravariant or covariant component form for a given vector/tensor, ii) conversion of physical (measured) components to generalized coordinate components prior to tensor analysis, iii) use of generalized covariant constitutive equations during tensor analysis, and iv) conversion of coordinate components back to physical components after tensor analysis. The method is then applied to electrodynamics in a rotating frame, and shown to predict the results of the Wilson/Wilson and Roentgen/Eichenwald experiments.
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