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A Positive-Definite Scalar Product for Free Proca Particle

V. Jakubsky, J. Smejkal

hep-tharXiv:hep-th/0610290

Abstract

We implement recent results of pseudo-Hermitian quantum mechanics to description of relativistic massive particle with spin-one. We derive a one-parameter family of Lorentz invariant positive-definite scalar products on the space of solutions of Proca equation.

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