paper

Lagrange Anchor and Characteristic Symmetries of Free Massless Fields

arXiv:1112.1860 · doi:10.3842/SIGMA.2012.021

Abstract

A Poincaré covariant Lagrange anchor is found for the non-Lagrangian relativistic wave equations of Bargmann and Wigner describing free massless fields of spin in four-dimensional Minkowski space. By making use of this Lagrange anchor, we assign a symmetry to each conservation law and perform the path-integral quantization of the theory.

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