BRST-BV approach to cubic interaction vertices for massive and massless higher-spin fields
arXiv:1205.3131 · doi:10.1016/j.physletb.2013.02.009
Abstract
Using BRST-BV formulation of relativistic dynamics, we study arbitrary spin massive and massless fields propagating in flat space. Generating functions of gauge invariant off-shell cubic interaction vertices for mixed-symmetry and totally symmetric fields are obtained. For the case of totally symmetric fields, we derive restrictions on the allowed values of spins and the number of derivatives, which provide a classification of cubic interaction vertices for such fields. As by product, we present simple expressions for the Yang-Mills and gravitational interactions of massive totally symmetric arbitrary spin fields.
12 pages, LaTeX-2e
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