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    题名: Two-terminal conductance fluctuations in the integer quantum Hall regime
    作者: Ho, Chang-ming
    贡献者: 淡江大學物理學系
    日期: 1999-07
    上传时间: 2013-07-09 15:21:24 (UTC+8)
    出版者: College Park: American Physical Society
    摘要: Motivated by recent experiments on the conductance fluctuations in mesoscopic integr quantum Hall systems, we consider a model in which the Coulomb interactions are incorporated into the picture of edge-state transport through a single saddle-point. The occupancies of `classical' localised states in the two-dimensional electron system change due to the interactions between electrons when the gate voltage on top of the device is varied. The electrostatic potential between the localised states and the saddle-point causes fluctuations of the saddle-point potential and thus fluctuations of the transmission probability of edge states. This simple model is studied numerically and compared with the observation.
    關聯: Physical Review B (Condensed Matter and Materials Physics) 60(12), pp.8839-8844
    DOI: 10.1103/PhysRevB.60.8839
    显示于类别:[物理學系暨研究所] 期刊論文

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