Lagrange Anchor and Characteristic Symmetries of Free Massless Fields [PDF]
Dmitry S. Kaparulin, Simon L. Lyakhovich, Alexey A. SharapovA Poincar\'e covariant Lagrange anchor is found for the non-Lagrangian relativistic wave equations of Bargmann and Wigner describing free massless fields of spin $s>1/2$ 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.View original: http://arxiv.org/abs/1112.1860
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