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Electron trapping by a current vortex

F Bentosela Pavel Exner VA Zagrebnov

TBD mathscidoc:1910.43191

Journal of Physics A: Mathematical and General, 31, (17), L305, 1998.5
We investigate an electron in the plane interacting with the magnetic field due to an electric current forming a localized rotationally symmetric vortex. We show that independently of the vortex profile an electron with spin antiparallel to the magnetic field can be trapped if the vortex current is strong enough. In addition, the electron scattering on the vortex exhibits resonances for any spin orientation. On the other hand, in distinction to models with a localized flux tube this situation exhibits no bound states for weak vortices.
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@inproceedings{f1998electron,
  title={Electron trapping by a current vortex},
  author={F Bentosela, Pavel Exner, and VA Zagrebnov},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020132819039614720},
  booktitle={Journal of Physics A: Mathematical and General},
  volume={31},
  number={17},
  pages={L305},
  year={1998},
}
F Bentosela, Pavel Exner, and VA Zagrebnov. Electron trapping by a current vortex. 1998. Vol. 31. In Journal of Physics A: Mathematical and General. pp.L305. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020132819039614720.
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