D ec 2 00 8 Four-dimensional couplings among BF and massless Rarita-Schwinger theories : a BRST cohomological approach

Abstract

The local and manifestly covariant Lagrangian interactions in four spacetime dimensions that can be added to a free model that describes a massless Rarita-Schwinger theory and an Abelian BF theory are constructed by means of deforming the solution to the master equation on behalf of specific cohomological techniques. PACS number: 11.10.Ef 

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