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Observation of the Larmor and Gouy rotations with electron vortex beams

Guzzinati, Giulio; Schattschneider, P; Bliokh, Konstantin; Nori, Franco; Verbeeck, Jo


Electron vortex beams carrying intrinsic orbital angular momentum (OAM) are produced in electron microscopes where they are controlled and focused by using magnetic lenses. We observe various rotational phenomena arising from the interaction between the OAM and magnetic lenses. First, the Zeeman coupling, proportional to the OAM and magnetic field strength, produces an OAM-independent Larmor rotation of a mode superposition inside the lens. Second, when passing through the focal plane, the...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.110.093601
Access Rights: Open Access


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