Abstract
Physical properties of gravitational waves, belonging to the larger class of exact solutions of Einstein field equations which are invariant for a non-Abelian two-dimensional Lie algebra of Killing fields, are described. It is shown that in the would be quantum theory of gravity they correspond to spin $−1$ massless particles. The gravitational interaction of two pencils of light is analyzed.
Information
Published: 1 January 2008
First available in Project Euclid: 6 January 2021
zbMATH: 1217.83027
MathSciNet: MR2436283
Digital Object Identifier: 10.7546/giq-9-2008-320-333
Rights: Copyright © 2008 Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences