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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Electromagnetic vortex fields, spin, and spin-orbit interactions in electron vortices
Physical Review Letters, Volume 109, No. 25, Article 254801, Year 2012
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Description
Electron vortices are shown to possess electric and magnetic fields by virtue of their quantized orbital angular momentum and their charge and current density sources. The spatial distributions of these fields are determined for a Bessel electron vortex. It is shown how these fields lead naturally to interactions involving coupling to the spin magnetic moment and spin-orbit interactions which are absent for ordinary electron beams. The orders of magnitude of the effects are estimated here for ȧngström scale electron vortices generated within a typical electron microscope. © 2012 American Physical Society.
Authors & Co-Authors
Babiker, Mohamed M.
United Kingdom, York
University of York
Yuan, Jun
United Kingdom, York
University of York
Statistics
Citations: 31
Authors: 2
Affiliations: 1
Identifiers
Doi:
10.1103/PhysRevLett.109.254801
ISSN:
10797114