Quantum Coherent Phenomena in Bilayer Quantum Hall Systems
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概要
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On the basis of the composite electron picture, we analyze bilayer quantum Hall systems at the Landau level filling factor v=1/m with m an odd integer. A composite electron is an electron bound to statistics flux. It is shown that various Josephson phenomena occur, but not for the Meissner effect. A physical picture of the commensurate-incommensurate phase transition in the magnetic order is described by analogy with the superconductor Josephson junction. Plasmon excitations are analyzed in each phase. The activation energy anomaly which was recently discovered experimentally is accounted for by the change of the plasmon excitations associated with this phase transition.
- 社団法人応用物理学会の論文
- 1995-08-30
著者
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EZAWA Zyun
Department of Physics, Tohoku University
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Ezawa Zyun
Department Of Physics Tohoku University
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