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Twist decomposition of nonlocal light-ray operators and harmonic tensor functions

B. Geyer, M. Lazar

hep-tharXiv:hep-th/9911024

Abstract

For arbitrary spacetime dimension a systematic procedure is carried on to uniquely decompose nonlocal light-cone operators into harmonic operators of well defined twist. Thereby, harmonic tensor polynomials up to rank 2 are introduced. Symmetric tensor operators of rank 2 are considered as an example.

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