Perturbations in the Einstein theory of gravity: Conserved currents
classification
🌀 gr-qc
keywords
conservedcurrentsperturbationsak-lynden-bellantisymmetricarbitraryauxiliarybackground
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General relativity in the form where gravitational perturbations together with other physical fields propagate on an auxiliary background is considered. With using the Katz-Bi{\v{c}}\'ak-Lynden-Bell technique new conserved currents, divergences of antisymmetric tensor densities(superpotentials), in an arbitrary curved spacetime are constructed.
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