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Voltage-probe-controlled breakdown of the quantum Hall effect
Author(s) -
L. W. Molenkamp,
Marco J. P. Brugmans,
H. van Houten,
C. W. J. Beenakker,
C. T. Foxon
Publication year - 1991
Publication title -
physical review. b, condensed matter
Language(s) - French
Resource type - Journals
eISSN - 1095-3795
pISSN - 0163-1829
DOI - 10.1103/physrevb.43.12118
Subject(s) - quantum hall effect , channel (broadcasting) , landau quantization , physics , condensed matter physics , enhanced data rates for gsm evolution , voltage , hall effect , transmission (telecommunications) , materials science , electrical engineering , quantum mechanics , electrical resistivity and conductivity , electron , telecommunications , computer science , engineering
L'effondrement de l'effet Hall quantique dans un canal etroit aux densites de courant elevees peut etre controle en ajustant les probabilites de transmission des sondes de tension a la limite superieure du potentiel electrochimique du canal, meme si des contacts exterieurs sont utilises pour la mesure. On trouve que cet effondrement survient de facon predominante par la retrodiffusion au sein du niveau de Landau occupe, le plus eleve

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