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Simple approach to the mesoscopic open electron resonator: quantum current oscillations

机译:介观开放电子谐振器的简单方法:量子电流振荡

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The open electron resonator, described by Duncan et al. [D.S. Duncan. M.A. Topinka, R.M. Westervelt. K.D. Maranowski. A.C. Gossard. Phys. Rev. B 64 (2001) 033310. [1]]. is a mesoscopic device that has attracted considerable attention due to its 14 remarkable behaviour (conductance oscillations), which has been explained by detailed theories based on the behaviour of electrons at the top of the Fermi sea. In this work. we study the resonator using the simple quantum quantum electrical circuit approach, developed recently by Li and Chen [Y.Q. Li, B. Chen. Phys. Rev. B 53 (1996) 4027. [2]]. With this approach. and considering a very simple capacitor-like model of the system. we are able to theoretically reproduce the observed conductance oscillations. A very remarkable feature of the simple theory developed here is the fact that the predictions depend mostly on very general facts, namely, the discrete nature of electric charge and quantum mechanics: other detailed features of the systems described enter as parameters of the system. such as capacities and inductances. (C) 2004 Elsevier Ltd. All rights reserved.
机译:邓肯等人描述的开放电子谐振器。 [D.S.邓肯M.A. Topinka,R.M.韦斯特维尔特。 K.D.马拉诺夫斯基。 A.C. Gossard。物理修订版B 64(2001)033310。[1]。介观装置是一种介观装置,由于其14种出色的行为(电导振荡)而引起了极大的关注,这已通过基于费米海顶电子行为的详细理论进行了解释。在这项工作中。我们用Li和Chen [Y.Q.李宝臣物理修订版B 53(1996)4027. [2]。用这种方法。并考虑一个非常简单的类似电容器的系统模型。从理论上讲,我们能够重现观察到的电导振荡。这里开发的简单理论的一个非常显着的特征是,预测主要取决于非常普遍的事实,即电荷和量子力学的离散性质:所描述的系统的其他详细特征作为系统的参数输入。例如电容和电感。 (C)2004 Elsevier Ltd.保留所有权利。

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