BREAKDOWN OF THE QUANTUM HALL EFFECT
|D.K. Maudea, L.B. Rigala, W. Desrata, M. Potemskia, J.C. Portala, L. Eavesb, Z.R. Wasilewskic, A.I. Toropovd and G. Hille |
aGrenoble High Magnetic Field Laboratory, Max Planck Institut Festk÷orperforschung and Centre National de la Recherche Scientifique BP166, 38042 Grenoble, France
bDepartment of Physics, University of Nottingham, Nottingham, NG7 2RG, U.K.
cInstitute for Microstructural Sciences, National Research Council Ottawa, K1A 0R6, Canada
dInstitute of Semiconductor Physics, Novossibirsk 630090, Russia
eDepartment of Electronic and Electrical Engineering, University of Sheffield Sheffield S1 4DU, U.K.
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|The breakdown of the dissipationless conductance in the integer and fractional quantum Hall effect regime is reviewed. The temperature dependence of the critical current and of the critical magnetic field at breakdown bears a striking resemblance to the phase diagram of the phenomenological two-fluid Gorter-Casimir model for superconductivity. In addition, a remarkably simple scaling law exists between different filling factors.|
PACS numbers: 71.10.Pm, 74.25.Dw