Current Distribution in the Quantum Hall Regime Observed in a Distributed Magnetic Field

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概要

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• The temperature and the cttrrent dependence of the Hall resistance in a tr;xnsition region be-tween the adjacent qtrantum Hall plateatus has been naeastrred in a distributed magnetic field.We used a single crystal platelet of BizSrzCaCtm3Og?,5 high ternperattrre superconductor to makea distributed magnetic field. We have fovxnd a shift of the transition region between the adjacentquantum Hall plateatns to higher magnetic fields when the teunperatvnre or the current was increased. These experirnental results reveal that the current distribution is concentrated near thesample edge at low termperature (current) and spreads out to the bvxlk region as the tenaperature(current) is increased. Restrlts of calctnlation asstrming appropriate current and taaagnetic fielddistribution have reproduced the temperattzre and the current dependence of the shift of thetransition region.

• 社団法人日本物理学会の論文
• 1997-02-15

著者

• MOCHIKU Takashi

  National Institute for Materials Science

• KADOWAKI Kazuo

  Institute of Materials Science, University of Tsukuba

• Kadowaki Kazuo

  Institute Of Materials Science University Of Tsukuba

• Sumiyoshi Katsuhiko

  Depatment Of Physics Chuo University

• Wakabayashi J

  Department Of Physics Chuo University

• WAKABAYASHI Junichi

  Depatment of Physics,Chuo University

• NAGASHIMA Toshio

  Depatment of Physics,Chuo University

• Kadowaki Kazuo

  Institute Of Materials Science University Of Tukuba

• Nagashima T

  Univ. Tokyo Tokyo Jpn

• Kadowaki Kazuo

  Institute Of Materials Science And Graduate School Of Pure And Applied Sciences University Of Tsukuba

• WAKABAYASHI Jun-ichi

  Department of Physics, Gakushuin University

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