Physics – Mathematical Physics
Scientific paper
2011-07-22
Physics
Mathematical Physics
Submitted to Journal of Physics A, Mathematical and Theoretical
Scientific paper
We perform Dirac's canonical analysis for a four-dimensional $BF$ and for a generalized four-dimensional $BF$ theory depending on a connection valued in the Lie algebra of SO(3,1). This analysis is developed by considering the corresponding complete set of variables that define these theories as dynamical, and we find out the relevant symmetries, the constraints, the extended Hamiltonian, the extended action, gauge transformations and the counting of physical degrees of freedom. The results obtained are compared with other approaches found in the literature.
Escalante Alberto
Rubalcava-García I.
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