Summary
The paper presents two solutions of the Rainich equations for electromagnetic fields which are spatially homogeneous. Except for some particular times when the field is entirely singular, there is a divergence-free electromagnetic field at all other times.
Riassunto
In questo articolo si presentant due solizioni delle equazioni di Rainich per campi elettromagnetici spazialniente omogenei. Eccetto alouni istanti particolari in cui il campo è interamente singolare, in tutti gli altri istanti si ha un campo elettromagnetico privo di divergenze.
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References
G. Y. Rainich:Trans. Am. Math. Soc.,27, 106 (1925).
C. W. Misner andJ. A. Wheeler:Ann. Phys.,2, 525 (1957).
A. K. Raychaudhuri:Ann. Phys.,11, 501 (1960).
B. K. Datta:Ann. Phys.,12, 295 (1961).
B. K. Datta:Ann. Phys.,15, 403 (1961).
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Datta, B.K. Homogeneous nonstatic electromagnetic fields in general relativity. Nuovo Cim 36, 109–114 (1965). https://doi.org/10.1007/BF02750663
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DOI: https://doi.org/10.1007/BF02750663