Electron interaction with confined acoustic phonons in quantum wires subjected to a magnetic field

被引：79

作者：

Svizhenko, A ^{[1
]}

Balandin, A

Bandyopadhyay, S

Stroscio, MA

机构：

[1] Univ Nebraska, Dept Elect Engn, Lincoln, NE 68588 USA

[2] USA, Res Off, Res Triangle Pk, NC 27709 USA

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.57.4687

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have studied the effect of an external magnetic field on electron-acoustic phonon scattering in rectangular quantum wires taking into account both electron and phonon confinement. A magnetic field has two major effects: (i) it dramatically quenches (by several orders of magnitude) intrasubband scattering due to acoustic phonons in hybrid "width" and "thickness" modes, and (ii) it increases electron interaction with evanescent hybrid surface modes that peak at the wire edges. A simple intuitive picture to elucidate the origin of these effects is presented. [S0163-1829(98)08908-5].

引用

页码：4687 / 4693

页数：7

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