Torsion, Chern-Simons Term and Diffeomorphism Invariance

Abstract

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.

arXiv comment8 pages

References in corpus (9)

• Chern-Simons Modification of General Relativity
• Chern-Simons Modified General Relativity
• Stability of the Einstein static universe in f(R) gravity
• Torsion Cosmology and the Accelerating Universe
• de Sitter group and Einstein-Hilbert Lagrangian
• Chiral Anomaly in Contorted Spacetimes
• Gravitational Constant and Torsion
• Torsion, Dirac Field, Dark Matter and Dark Radiation
• Decoupling and Reduction in Chern-Simons Modified Gravity

Cited by in corpus (1)

• Dirac spinors in Bianchi-I f(R)-cosmology with torsion