Relativistic electron vortex beams in a constant magnetic field

Rajabi A. and Berakdar J.

Phys. Rev. A 95, pp 063812 (2017)

We present solutions for the Dirac equation in the form of Bessel or Laguerre-Gaussian beams for, respectively, a free electron or an electron subject to a longitudinal constant magnetic field. We calculate the probability and the current distributions and find a strong dependence on the spin angular momentum and the orbital angular momentum of the relativistic electron beam. The role of the intrinsic spin-orbital coupling is investigated.

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