ar X iv : g r - qc / 9 71 20 89 v 1 2 3 D ec 1 99 7 Is a ‘ hadronic ’ shear current one of the sources in metric - affine gravity ?


The Minkowski space of special relativity can be understood as a flat 4-dimensional affine space enriched by a constant Minkowski metric. If we gauge the general affine group and ‘superimpose’ the metric, then we arrive at the metric-affine theory of gravity (MAG). The gravitational potentials are the spacetime coframe, the metric, and the linear connection… (More)


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