Unification of gravity and electromagnetism revisited

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Borzou, A.
Sepangi, H. R.
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Abstract
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Within the context of a $5D$ space-time, we construct a unified theory of gravity and electromagnetism from which the Einstein field equations and Maxwell equations emerge, with homogenous Maxwell equations appearing naturally. We also introduce a well-defined five dimensional energy-momentum tensor consistent with our unification scheme. A correction term appears in Maxwell equations which can be used to explain the recently discovered galactic magnetic fields.
Comment: 10 pages
Keywords
General Relativity and Quantum Cosmology
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