4-Dimensional Einstein Theory Extended by a 3-Dimensional Chern-Simons Term


When 4-dimensional general relativity is extended by a 3-dimensional gravitational Chern-Simons term an apparent violation of diffeormorphism invariance is extinguished by the dynamical equations of motion for the modified theory. The physical predictions of this recently proposed model show little evidence of symmetry breaking, but require the vanishing of the Pontryagin density.Comment: 11 pages, 0 figure

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    Last time updated on 03/12/2019