ANTIRESONANT HOPPING CONDUCTANCE AND NEGATIVE MAGNETORESISTANCE IN QUANTUM-BOX SUPERLATTICES

被引：17

作者：

LYANDAGELLER, Y

LEBURTON, JP

机构：

[1] Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana

来源：

PHYSICAL REVIEW B | 1995年 / 52卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.52.2779

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electric current in a one-dimensional chain of quantum boxes is characterized by a set of zero minima (antiresonances) due to the momentum selection rule for the interaction of acoustic phonons with Wannier-Stark localized electrons or due to the folded phonon gaps. Antiresonances manifest also in the conduction of superlattices in the presence of an external source of phonons. Negative magnetoresistance of superlattices in high electric fields is predicted. We also clarify general questions of boundary conditions in the hopping regime.

引用

页码：2779 / 2783

页数：5

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