在量子化磁场中放置一个移位层的有限超晶格中表面极化子的传播

DIPED - 99. Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory. Proceedings of 4th International Seminar/Workshop (IEEE Cat. No.99TH8402) Pub Date : 1900-01-01 DOI:10.1109/DIPED.1999.822124

N. Beletskii, J.V. Bludov

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摘要

本文从理论上研究了由有限数量的二维电子系统(2DES)构成的弱无序超晶格(WDSL)中的表面极化子(SP)。弱无序性在于内部的一个2DES从周期性位置偏移了一段距离/spl Delta/。结果表明，在整数量子霍尔效应(IQHE)条件下，SP的所有特性都由量子化值表示。定义了有限WDSL中SP相速度和群速度明显小于隔离2DES的条件。

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Propagation of surface polaritons in finite superlattice with one shifted layer placed into the quantizing magnetic field

The paper deals with the theoretical investigation of surface polaritons (SP) in weakly disordered superlattice (WDSL), formed of the finite number of 2-dimensional electron systems (2DES). The weak disorderedness consists in the fact that one of the inner 2DES was shifted from the position of periodicity on some distance /spl Delta/. It is shown, that under the integer quantum Hall effect (IQHE) conditions all characteristics of SP are represented by the quantized values. The conditions under which the SP phase and group velocities in the finite WDSL can be considerably less than that in the isolated 2DES are defined.

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DIPED - 99. Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory. Proceedings of 4th International Seminar/Workshop (IEEE Cat. No.99TH8402)

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