On Sachs's Approach to the Unification of General Relativity and Electrodynamics

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Scientific Paper
Title On Sachs\'s Approach to the Unification of General Relativity and Electrodynamics
Author(s) [[]]
Keywords spinors, [[space?]time]], unification of elementary interactions, general relativity, electrodynamics, representations of SL ( 2, C)
Published 1991
Journal Physics Essays
Volume 4
Number 1
No. of pages 4
Pages 76-80

Abstract

It is shown that Sachs's approach to the unification of gravity and electrodynamics brings nothing essentially new and is, in fact, equivalent to the already known forms of Einstein's equations. It thus follows that Sachs's ?gMaxwell equations?h do not represent the electromagnetic field and can be interpreted in purely gravitational terms.