Hamiltonian cohomological derivation of four-dimensional nonlinear gauge theories

Abstract

Consistent couplings among a set of scalar fields, two types of one-forms and a system of two-forms are investigated in the light of the Hamiltonian BRST cohomology, giving a four-dimensional nonlinear gauge theory. The emerging interactions deform the first-class constraints, the Hamiltonian gauge algebra, as well as the reducibility relations.

LaTeX 2.e, 23 pages

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