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Time:   2. October 2015
Place:   Institute of Physics
Title:   Hamiltonian analysis of the BFCG theory for the Poincare 2-group
Abstract:
We perform the full Hamiltonian analysis of the topological BFCG action based on the Poincare 2-group. The Hamiltonian of the theory is constructed, and the algebra of constraints is computed. The Dirac brackets are evaluated, and the second class constraints are then eliminated from the theory. The results are contrasted to those of the topological Poincare gauge theory, which is equivalent to the BFCG model at the level of the classical action, but has a very different Hamiltonian structure. We find a singular canonical transformation connecting the two theories.