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Quantization of Pseudoclassical Systems ...
Allen, Theodore J....

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Quantization of Pseudoclassical Systems in the Schr\"odinger Realization by Allen, Theodore J. ( Author )
Lemonjar Open Access
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02-09-2015
We examine the quantization of pseudoclassical dynamical systems, models that have classically anticommuting variables, in the Schr\"odinger picture. We quantize these systems, which can be viewed as classical models of particle spin, using the generalized Gupta-Bleuler method as well as the reduced phase space method in even dimensions. With minimal modifications, the standard constructions of Schr\"odinger quantum mechanics of constrained systems work for pseudoclassical systems. We generalize the standard Schr\"odinger norm and implement the correct adjointness properties of observables and constraints. We construct the state space corresponding to spinors as physical wave functions of anticommuting variables, finding that there are superselection sectors in both the physical and ghost subspaces. The physical states are isomorphic to those of the Dirac-K\"ahler formulation of fermions though the inner product in Dirac-K\"ahler theory is not equivalent to ours.
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http://arxiv.org/abs/1509.00529
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