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Nature 434, 451-452 (24 March 2005) | doi:10.1038/434451a; Published online 23 March 2005

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Nanotechnology:  New spin on correlated electrons

Ronald M. Potok1 & David Goldhaber-Gordon2

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In the Kondo effect, the flow of electrons in a solid is modulated by magnetic impurities. Nanostructures such as carbon nanotubes can be designed to obtain even more complex versions of this intriguing effect.

The behaviour of electrons is difficult to predict. Undergraduates routinely calculate the quantum states of a hydrogen atom, but even a helium atom with two electrons displays complex dynamics.

  1. Ronald M. Potok is in the Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
    e-mail: Email: potok@stanford.edu
  2. David Goldhaber-Gordon is in the Department of Physics, Stanford University, Stanford, California 94305, USA.
    e-mail: Email: goldhaber-gordon@stanford.edu

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