Structure of the Electromagnetic Field
- 1 August 1959
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 115 (3) , 742-745
- https://doi.org/10.1103/physrev.115.742
Abstract
The structure of a curved space-time in which a source-free electromagnetic field is present is studied according to the "already unified field theory" of Misner and Wheeler, and the geometrical meaning of the differential conditions imposed on the Ricci tensor is established. Four independent equations equivalent to the algebraic conditions are stated, and the case of a null electromagnetic field is also clarified.Keywords
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