Hojman-Rosenbaum-Ryan-Shepley torsion theory and Etvs-Dicke-Braginsky experiments
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Abstract: (APS)
Considering a modified form of local gauge invariance and minimal coupling, Hajman, Rosenbaum, Ryan, and Shepley obtained a dynamic torsion theory which allows propagation of torsion in vacuo. In this theory, the torsion is determined by the gradient of a scalar field φ. For the Sun, φ=0.67×10−4U where U is the Newtonian potential. In this field, test bodies with different electromagnetic energy contents behave differently. For aluminum and gold (or platinum), the gravitational accelerations would differ by 2×10−7∇→U. This implication disagrees with the null experiments of precisions 10−11∇→U and 10−12∇→U performed respectively by Roll, Krotkov, and Dicke and by Braginsky and Panov.References(7)
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