Abstract
Schrodinger considered the variational principleδ ∫\(\sqrt { - g} {\text{ }}d^4 x = 0\), whereg is the determinant of the metricgμυ, but noted that ifgμυ is varied, the resultingEuler-Lagrange equations cannot serve as field equations. We writegμυ =gijhμ ihυ j, where gij = diag(-1, 1,1, 1), and express the vectors of the tetradhμ i as derivatives ofnonintegrable functions xi of the typecommonly used for phase factors in gauge theory, i.e.,hμ i =x,μ i. We have previously shownthat if the xi are varied, the resultingEuler–Lagrange equations serve as field equations which imply the validity of Einstein equationswith a stress-energy tensor for the electroweak fieldand associated currents. In this paper, we express theseEinstein equations into two new forms, and use these forms to derive Lorentz-force-likeequations of motion. The electroweak field appears as aconsequence of the field equations (rather than as a“compensating field” introduced to secure local gauge invariance). There is no need forsymmetry breaking to accommodate mass, because the gaugesymmetry is approximate from the outset.
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Pandres, D.J. Gravitational and Electroweak Interactions. International Journal of Theoretical Physics 37, 827–839 (1998). https://doi.org/10.1023/A:1026672614333
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DOI: https://doi.org/10.1023/A:1026672614333