Abstract
The relation between conserved currents and symmetries of theS-matrix is investigated within the framework of Wightman field theory. Assuming a complete particle interpretation with no massless particles, it is shown that every conserved current yields a self-adjoint charge operator which acts additively onn-particle states and commutes with theS-matrix. For currents satisfying current algebra relations of a groupG, the corresponding charges generate a unitary representation ofG.
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Kraus, K., Landau, L.J. Conserved currents and symmetry transformations in local scattering theory. Commun.Math. Phys. 24, 243–252 (1972). https://doi.org/10.1007/BF01877716
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DOI: https://doi.org/10.1007/BF01877716