Explicit construction of conserved currents for massless fields of arbitrary spin

We give an explicit construction of conserved currents for massless fields of arbitrary spin. These currents are gauge invariant and conserved on shell. Also they allow for the construction of a large class of trilinear interaction terms for the interaction between a massless spin-s1 field and two s...

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Bibliographic Details
Published in:Nuclear physics. B 1986, Vol.271 (3-4), p.429-441
Main Authors: Berends, F.A., Burgers, G.J.H., Van Dam, H.
Format: Article
Language:English
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Summary:We give an explicit construction of conserved currents for massless fields of arbitrary spin. These currents are gauge invariant and conserved on shell. Also they allow for the construction of a large class of trilinear interaction terms for the interaction between a massless spin-s1 field and two spin-s2 fields. The class is restricted only to 2s2⩽s1. In case s1 = 4 and s2 = 2, the current is the linearized Bel-Robinson tensor. To these conserved currents corresponds an infinite dimensional Lie algebra of global infinitesimal invariances of the action of a free massless field of arbitrary spin.
ISSN:0550-3213
1873-1562
DOI:10.1016/S0550-3213(86)80019-0