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Relativistic quantum dynamics of twisted electron beams in arbitrary electric and magnetic fields (1803.07410v2)
Published 8 Mar 2018 in physics.class-ph, hep-th, and quant-ph
Abstract: General relativistic quantum dynamics of twisted (vortex) Dirac particles is constructed. The Hamiltonian and equations of motion in the Foldy-Wouthuysen representation are derived for a twisted relativistic electron in arbitrary electric and magnetic fields. A critical experiment for a verification of the results is proposed. The new important effect of a radiative orbital polarization of a twisted electron beam in a magnetic field resulting in a nonzero average projection of the intrinsic orbital angular momentum on the field direction is predicted.
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