Torsion, Chern-Simons Term and Diffeomorphism Invariance

Details Torsion, Chern-Simons Term and Diffeomorphism Invariance Torsion, Chern-Simons Term and Diffeomorphism Invariance

2010-06-18

arxiv.org/abs/1006.3749v3

Mod.Phys.Lett.A26:415-421,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages

Scientific paper

10.1142/S0217732311034852

In the $torsion \otimes curvature$ approach of gravity Chern-Simons modification has been considered here. It has been found that Chern-Simons contribution to the bianchi identity has become cancelled from that of the scalar field part. But "homogeneity and isotropy" consideration of present day cosmology is a consequence of the "strong equivalence principle" and vice-versa.

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