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An operator approach to BRST invariant transition amplitudes

Silvio J. Rabello, Arvind N. Vaidya

hep-tharXiv:hep-th/9403138

Abstract

The transition amplitudes for the free spinless and spinning relativistic particles are obtained by applying an operator method developed long ago by Dirac and Schwinger to the BFV form of the BRST theory for constrained systems.

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