Majorana-Oppenheimer Approach to Proca Field Equations
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- Tomazelli, J.L. & Fernandes, G.A.M.A. Found Phys (2014) 44: 973. doi:10.1007/s10701-014-9824-y
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A Dirac-like equation for a massive field obeying the classical Proca equations of motion (PMO) is proposed in close analogy with Majorana’s construct for Maxwell electrodynamics. Its underlying algebraic structure is examined and a plausible physical interpretation is discussed. The behavior of the PMO equations in the presence of an external electromagnetic field is also investigated in the low energy limit, via unitary transformations similar to the Foldy-Wouthuysen canonical transformation for a Dirac fermion.