First Order Symmetry Operators for the Linearized Field Equation of Metric Perturbations
arXiv:1909.12439 · doi:10.1103/PhysRevD.100.124052
Abstract
We determine the general form of the first order linear symmetry operators for the linearized field equation of metric perturbations in the spacetimes of dimension D>=4. Apart from the part derived easily from the invariance under general coordinate transformations, we find a part consisting of a Killing-Yano 3-form.
arXiv comment27 pages, v2: references added
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