Dynamical Symmetry Breaking as the Origin of the Zero-dc-Resistance State in an ac-Driven System

A. V. Andreev, I. L. Aleiner, and A. J. Millis
Phys. Rev. Lett. 91, 056803 – Published 1 August 2003

Abstract

Under a strong ac drive the zero-frequency linear response dissipative resistivity ρd(j=0) of a homogeneous state is allowed to become negative. We show that such a state is absolutely unstable. The only time-independent state of a system with a ρd(j=0)<0 is characterized by a current which almost everywhere has a magnitude j0 fixed by the condition that the nonlinear dissipative resistivity ρd(j02)=0. As a result, the dissipative component of the dc-electric field vanishes. The total current may be varied by rearranging the current pattern appropriately with the dissipative component of the dc-electric field remaining zero. This result, together with the calculation of Durst et al., indicating the existence of regimes of applied ac microwave field and dc magnetic field where ρd(j=0)<0, explains the zero-resistance state observed by Mani et al. and Zudov et al..

  • Figure
  • Figure
  • Received 3 February 2003

DOI:https://doi.org/10.1103/PhysRevLett.91.056803

©2003 American Physical Society

Authors & Affiliations

A. V. Andreev1,2, I. L. Aleiner3, and A. J. Millis3

  • 1Physics Department, University of Colorado, Boulder, Colorado 80309, USA
  • 2Bell Labs, Lucent Technologies, Room 1D-267, Murray Hill, New Jersey 07974, USA
  • 3Physics Department, Columbia University, New York, New York 10027, USA

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Vol. 91, Iss. 5 — 1 August 2003

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