Scattering of spin-polarized electron in an Aharonov--Bohm potential

Details Scattering of spin-polarized electron in an Aharonov--Bohm potential Scattering of spin-polarized electron in an Aharonov--Bohm potential

2007-08-23

arxiv.org/abs/0708.3131v2

AnnalsPhys.323:1280-1293,2008

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, no figures. Minor typos corrected

Scientific paper

10.1016/j.aop.2007.08.007

The scattering of spin-polarized electrons in an Aharonov--Bohm vector potential is considered. We solve the Pauli equation in 3+1 dimensions taking into account explicitly the interaction between the three-dimensional spin magnetic moment of electron and magnetic field. Expressions for the scattering amplitude and the cross section are obtained for spin-polarized electron scattered off a flux tube of small radius. It is also shown that bound electron states cannot occur in this quantum system. The scattering problem for the model of a flux tube of zero radius in the Born approximation is briefly discussed.

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