Some exact solutions with torsion in 5-D Einstein-Gauss-Bonnet gravity
arXiv:0706.2891 · doi:10.1103/PhysRevD.76.044021
Abstract
Exact solutions with torsion in Einstein-Gauss-Bonnet gravity are derived. These solutions have a cross product structure of two constant curvature manifolds. The equations of motion give a relation for the coupling constants of the theory in order to have solutions with nontrivial torsion. This relation is not the Chern-Simons combination. One of the solutions has a structure and is so the purely gravitational analogue of the Bertotti-Robinson space-time where the torsion can be seen as the dual of the covariantly constant electromagnetic field.
19 pages, LaTex, no figures. References added, notation clarified. Accepted for publication on Physical Review D
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