INTERACTION OF ELECTRONS WITH THE CONFINED LO PHONONS OF A FREESTANDING GAAS QUANTUM WIRE

被引：71

作者：

CONSTANTINOU, NC

RIDLEY, BK

机构：

[1] Department of Physics, University of Essex, Colchester CO4 3SQ, Wivenhoe Park

来源：

PHYSICAL REVIEW B | 1990年 / 41卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.41.10622

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A continuum model is employed to describe the allowed longitudinal-optical phonons of a cylindrical free-standing GaAs wire. The electron-phonon interaction Hamiltonian is then obtained and used to calculate intrasubband transitions in the extreme quantum limit. The scattering rate is predicted to be markedly reduced compared with the bulk value, and compared with the value expected when the wire is not free standing. This result is due to the lack of LO interface modes in the free-standing situation. © 1990 The American Physical Society.

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页码：10622 / 10626

页数：5

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