Evidence for a new dissipationless effect in 2D electronic transport.

  title={Evidence for a new dissipationless effect in 2D electronic transport.},
  author={Michael A. Zudov and Rosemary Ruhig Du and Loren N. Pfeiffer and Kenneth W. West},
  journal={Physical review letters},
  volume={90 4},
In an ultraclean 2D electron system (2DES) subjected to crossed millimeterwave (30-150 GHz) and weak (B<2 kG) magnetic fields, a series of apparently dissipationless states emerges as the system is detuned from cyclotron resonances. Such states are characterized by an exponentially vanishing low-temperature diagonal resistance and a classical Hall resistance. The activation energies associated with such states exceed the Landau level spacing by an order of magnitude. Our findings are likely… CONTINUE READING
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