Magneto-electric Aharonov–Bohm effect in metal rings

@article{Oudenaarden1998MagnetoelectricAE,
  title={Magneto-electric Aharonov–Bohm effect in metal rings},
  author={Alexander van Oudenaarden and Michel H. Devoret and Yu. V. Nazarov and Johann E. Mooij},
  journal={Nature},
  year={1998},
  volume={391},
  pages={768-770}
}
The quantum-mechanical phase of the wavefunction of an electron can be changed by electromagnetic potentials, as was predicted by Aharonov and Bohm in 1959. Experiments on propagating electron waves in vacuum have revealed both the magnetic and electrostatic Aharonov–Bohm effect. Surprisingly, the magnetic effect was also observed in micrometre-sized metal rings, demonstrating that electrons keep their phase coherence in such samples despite their diffusive motion. The search for the… CONTINUE READING
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