Symmetries and currents of massless neutrino fields, electromagnetic and graviton fields

Abstract

A recent complete, explicit classification of all locally constructed symmetries and currents for free spinorial massless spin s fields on Minkowski space is summarized and extended to give a classification of all covariant symmetry operators and conserved tensors. The results, for physically interesting cases, are also presented in tensorial form for electromagnetic and graviton fields (s=1,2) and in Dirac 4-spinor form for neutrino fields (s=1/2).