Noun
pseudotensor (plural pseudotensors)
(mathematics, physics) A quantity that transforms like a tensor under a proper rotation but gains an additional change of sign under an improper rotation.
Energy momentum pseudotensor main General relativity includes a dynamical spacetime, so it is difficult to see how to identify the conserved energy and momentum. Source: Internet
He maintained that the non-covariant energy momentum pseudotensor was in fact the best description of the energy momentum distribution in a gravitational field. Source: Internet