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

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

2003-10-27

arxiv.org/abs/gr-qc/0310115v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, 0 figures

Scientific paper

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.

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