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题名: Current-voltage characteristics in strongly correlated double quantum dots
作者: Chi F;  Li SS
发表日期: 2005
摘要: We have studied the current-voltage properties of a double quantum dot (DQD) connected by leads in arrangements that vary from series to symmetrical parallel configurations, in the presence of strong intradot Coulomb interaction. The influences of the connecting configurations and the difference between dot levels on the magnitude and symmetry of the total current are examined. We find that the connecting configurations of the dots can determine the number of the current paths and in turn determine the magnitude of the current, while the coupling strengths between the dots and the leads together with the difference of dot levels determine the current-voltage symmetry. The negative differential conductance observed in serial DQD can be explained in terms of the reduction of the current paths. (c) 2005 American Institute of Physics.
刊名: JOURNAL OF APPLIED PHYSICS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Chi, F; Li, SS .Current-voltage characteristics in strongly correlated double quantum dots ,JOURNAL OF APPLIED PHYSICS,JUN 15 2005,97 (12):Art.No.123704
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