Hamiltonian analysis and Faddeev-Jackiw formalism for two-Dimensional Quadratic Gravity expressed as BF theory
Abstract: We examine the model of Two-Dimensional Quadratic Gravity as a consequence of symmetry breaking within the framework of background field (BF) theory. This theory is essentially an extension of BF theory, introducing an additional polynomial term that operates on both the gauge and background fields. We analyze the theory using the Dirac and Faddeev-Jackiw procedures, determining the form of the gauge transformation, the full structure of the constraints, the counting of degrees of freedom, and the generalized Faddeev-Jackiw brackets. Additionally, we demonstrate the coincidence of the Faddeev-Jackiw and Dirac's brackets. Finally, we provide some remarks and discuss prospects.
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