HOPPING RATE OF CHARGED-PARTICLES IN A SUPERLATTICE

被引：1

作者：

GUMBS, G

ZHANG, C

CUI, HL

机构：

[1] TRIUMF,VANCOUVER V6T 2A3,BC,CANADA

[2] STEVENS INST TECHNOL LIB,DEPT PHYS & ENGN PHYS,HOBOKEN,NJ 07030

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1991年 / 3卷 / 11期

关键词：

D O I：

10.1088/0953-8984/3/11/005

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The hopping rate nu of heavy, positively charged particles (e.g. positive muons) in a type-I superlattice is calculated. The electron-electron and electron-charged-particle interactions are treated in the random-phase approximation. It is assumed that the charged particle is confined to the barrier regions between the quantum wells where there are no electrons, and hops between nearest-neighbour lattice sites R1, R2 only. It is shown that nu is an anisotropic function of R1 and R2. The contribution to nu due to particle-hole modes and plasmon excitations is obtained.

引用

页码：1429 / 1441

页数：13

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