Plane waves in metric-affine gravity
arXiv:gr-qc/0601074 · doi:10.1103/PhysRevD.73.024025
Abstract
We describe plane-fronted waves in the Yang-Mills type quadratic metric-affine theory of gravity. The torsion and the nonmetricity are both nontrivial, and they do not belong to the triplet ansatz.
18 pages, revtex, no figures