Area Distribution and Quantum Interference Effect in Antidot Lattices : Condensed Matter: Electronic Properties, etc.
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概要
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The quantum interference effect in ballistic antidot lattices under a very weak magnetic field is investigated. The area distribution of coherent backscattering orbits obeys the many-peaked structure with each peak located at multiples of the unit-cell area, and can be explained in terms of the length distribution. Using the area distribution in a semiclassical description of Kubo formula, we derive expressions for both h/2e oscillation and negative magneto-resistivity caused by the interference between a time-reversal pair of coherent backscattering orbits. The flux dependence of the oscillation part in the quantum correction, which qualitatively differs from the one for a single Sinai billiard, is responsible for trapping and jumping motions in the underlying classical dynamics.
- 社団法人日本物理学会の論文
- 2000-10-15
著者
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Nakamura Katsuhiro
Department Of Applied Physics Osaka City University
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Maruyama Hidesuke
Department Of Applied Physics Osaka City University
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Ma Jun
Department Of Applied Physics Osaka City University
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Nakamura Katsuhiro
Department Of Applied Physics Faculty Of Enginering Osaka City University
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