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Quantum physics

Electrons in perfect drag

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A neat experiment shows that if a current is sent through one of two adjacent conducting layers placed in a strong magnetic field, a quantum effect generates an exactly equal but opposite current in the other layer. See Letter p.481

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Figure 1: Against the current.

References

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Authors and Affiliations

  1. Steven M. Girvin is in the Department of Physics, Yale University, New Haven, Connecticut 06520–8120, USA.,

    Steven M. Girvin

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  1. Steven M. Girvin
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Correspondence to Steven M. Girvin.

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Girvin, S. Electrons in perfect drag. Nature 488, 464–465 (2012). https://doi.org/10.1038/488464a

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