Trocha Piotr, Barnas Józef
Department of Physics, Adam Mickiewicz University, 61-614 Poznan, Poland.
J Nanosci Nanotechnol. 2010 Apr;10(4):2489-94. doi: 10.1166/jnn.2010.1393.
Electronic transport through a system of two quantum dots coupled to external leads is considered theoretically. The dots are assumed to be in the Kondo regime, and the infinite-U mean-field slave-boson approach is used to obtain basic transport characteristics. Density of states and electron transmission probability in the Kondo regime are considered and calculated numerically. Both quantities are shown to exhibit features that are typical of the Dicke resonance.
从理论上考虑了通过与外部引线耦合的两个量子点系统的电子输运。假设这些量子点处于近藤 regime,并且使用无限U平均场从玻色子方法来获得基本的输运特性。考虑并数值计算了近藤 regime 中的态密度和电子传输概率。结果表明这两个量都表现出迪克共振的典型特征。