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- W2591581925 abstract "摘要 研究了两种不同排列的耦合量子细胞的非线性特性.方形量子细胞由位于角上的四个量子点组成，设每个量子细胞内包含两个电子，则不同的量子细胞将通过库仑作用发生耦合.单个细胞内的电子易于占据位于对角线上的量子点，从而导致了细胞的极化.当一个细胞的极化率发生改变时，在稳定态的情况下，计算了另一个细胞的极化率.研究结果表明，在适当的参数下，第二个细胞的极化率的响应显示出良好的非线性特性. 关键词: 极化响应 / 量子细胞 / 量子点 Abstract The nonlinear behavior of two kinds of arrays of two coupled quantum-dot cells w as examined. Each square cell composed of four quantum dots in the corners conta ins two electrons and couples with the neighboring cell by Coulomb interaction. The electrons in one cell tend to occupy antipodal dots which results in a cell “polarization”. In steady-state regime, we have investigated the evolution of the polarization of one cell under the switch of the polarization of the other c ell. Our results demonstrated that the response of the polarization of one cell to that of the other cell exhibits a good nonlinear characteristics with suitabl e parameters. Keywords: polarizing response / quantum cells / quantum dots 作者及机构信息 王传奎2, 高铁军2, 薛成山1 (1)山东师范大学半导体所，济南 250014; (2)山东师范大学物理系，济南 250014 基金项目: 国家自然科学基金(批准号：69890221)和山东省优秀中青年科学家奖励基金资助项目. Authors and contacts WANG CHUAN-KUI2, GAO TIE-JUN2, XUE CHENG-SHAN1 (1)山东师范大学半导体所，济南 250014; (2)山东师范大学物理系，济南 250014 参考文献 施引文献" @default.
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- W2591581925 date "2000-01-01" @default.
- W2591581925 modified "2023-09-26" @default.
- W2591581925 title "NONLINEAR CHARACTERISTIC OF TWO COUPLED QUANTUM-DOT CELLS" @default.
- W2591581925 doi "https://doi.org/10.7498/aps.49.2033" @default.
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