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题名: DISORDER POINT FOR 2D ELECTRONS IN A HALF-FILLED LANDAU-LEVEL
作者: CHEN CD;  TOSATTI E
发表日期: 1991
摘要: Short-range correlations of two-dimensional electrons in a strong magnetic field are shown to be triangular in nature well below half-filling, but honeycomb well above half-filling. The half-filling point is thus proposed, and qualitatively confirmed by three-body correlation calculations, to be a new type of disorder point where short-range correlations change character. A wavefunction study also suggests that nodes become unbound at half-filling. Evidence for incompressibility but deformability of the half-filling state earlier suggested by Fano, Ortolani and Tosatti, is also presented and found to be in agreement with recent experiments.
KOS主题词: States;  Cantons;  Social hierarchy;  system;  fluid
刊名: PHYSICA A
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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CHEN CD; TOSATTI E.DISORDER POINT FOR 2D ELECTRONS IN A HALF-FILLED LANDAU-LEVEL,PHYSICA A,1991,172(3):336-347
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