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Physical Review D
Gauge symmetries remove unphysical states and guarantee that field theories are free from the pathologies associated with these states. In this work we find a set of general conditions that guarantee the removal of unphysical states in field theories describing interacting vector fields. These conditions are obtained through the extension of a mechanism for the emergence of gauge symmetries proposed in a previous article [C. Barceló et al. J. High Energy Phys. 10 (2016) 084] in order to accountdoi:10.1103/physrevd.104.025017 fatcat:mcjllkii7zffba6u37vv7x6igi