Analysis of the Hall Effect in Terms of Magneto-Focusing in Quantum Dots
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概要
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We study the Hall effect in a quantum dot to which four leads are attached by solving the Schrodinger equation for electrons in this system. We find that the Hall resistance shows wide dips in the quantized Hall resistance regime, which is in agreement with resonant suppression discovered by Ford et al. [Phys. Rev. B 43 (1991) 7343], and that it possibly takes negative values in some of these dips. We analyze results in terms of skipping orbits of classical electrons and relate it to the magneto-focusing of electrons on one of the leads attached to the dot. The interpretation of this phenomenon from the viewpoint of wave mechanics is also presented.
- 社団法人日本物理学会の論文
- 1995-04-15
著者
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Amemiya Katsuki
Department Of Physics Faculty Of Science And Technology Keio University
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KAWAMURA Kiyoshi
Department of Physics, Faculty of Science and Technology, Keio University
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Kawamura Kiyoshi
Department Of Electrical Engineering College Of Science And Technology Nihon University
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