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Remarks on the Relationship between Electron Interference and Electron Polarization
Author(s) -
Fargo P. S.
Publication year - 1967
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/andp.19674750108
Subject(s) - electron , physics , polarization (electrochemistry) , wavelength , interference (communication) , magnetic field , compton wavelength , linear polarization , electromagnetic field , atomic physics , optics , quantum mechanics , compton scattering , laser , chemistry , channel (broadcasting) , electrical engineering , engineering
In relation to a recent paper by INTHOFF it is pointed out that it is legitimate to describe the polarization accompanying the interference of electron beams as resulting from the spin‐dependence of the wavelength of the electrons while they are in an electromagnetic field. Using a semi‐classical argument it is shown furthermore that an electron optic “biprism” would give a detectable polarization effect only if on account of its very high gradient the field constituting the biprism could not be considered constant over a region whose linear dimensions are comparable with the Compton wave length of the electron.