Imaging magnetic focusing of coherent electron waves

@article{Aidala2007ImagingMF,
  title={Imaging magnetic focusing of coherent electron waves},
  author={K. Aidala and R. Parrott and Tobias Kramer and E. Heller and R. Westervelt and M. Hanson and A. Gossard},
  journal={Nature Physics},
  year={2007},
  volume={3},
  pages={464-468}
}
The magnetic focusing of electrons has proven its utility in fundamental studies of electron transport. Here we report the direct imaging of magnetic focusing of electron waves, specifically in a two-dimensional electron gas (2DEG). We see the semicircular trajectories of electrons as they bounce along a boundary in the 2DEG, as well as fringes showing the coherent nature of the electron waves. Imaging flow in open systems is made possible by a cooled scanning probe microscope. Remarkable… Expand
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