On the Relation Between Quadratic and Linear Curvature Lagrangians in Poincar\'e Gauge Gravity
General Relativity and Quantum Cosmology
2011-04-15 v1 Astrophysics
High Energy Physics - Theory
Abstract
We discuss the choice of the Lagrangian in the Poincar\'e gauge theory of gravity. Drawing analogies to earlier de Sitter gauge models, we point out the possibility of deriving the Einstein-Cartan Lagrangian {\it without} cosmological term from a {\it modified} quadratic curvature invariant of {\it topological} type.
Keywords
Cite
@article{arxiv.gr-qc/9602014,
title = {On the Relation Between Quadratic and Linear Curvature Lagrangians in Poincar\'e Gauge Gravity},
author = {Yuri N. Obukhov and Friedrich W. Hehl},
journal= {arXiv preprint arXiv:gr-qc/9602014},
year = {2011}
}
Comments
13 pages, RevTex