Abstract
In this article the multipole structure of sources of the electromagnetic field is investigated in an expanding universe under the assumption that the electromagnetic field itself is so small that it doesn't introduce any important distortions into the geometry of space time. It is also assumed that the “radius of curvature” of the universe does not depend on the time. The solutions for the multipole fields of the lower types are given in explicit form.
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I. M. Dozmorov and V. P. Semenov, Izv. VUZ. Fiz., No. 6, 16 (1973).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 8, pp. 34–39, August, 1973.
The authors express their sincere gratitude to V. I. Rodichev for a helpful discussion of this work.
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Dozmorov, I.M., Semenov, V.P. The multipole structure of the electromagnetic field in Friedmann space. Soviet Physics Journal 16, 1064–1068 (1973). https://doi.org/10.1007/BF00890457
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DOI: https://doi.org/10.1007/BF00890457