INDIRECT EXCHANGE INTERACTION VIA ELECTRONS IN SPIN-ORBIT COUPLED BANDS IN SEMICONDUCTORS

被引：30

作者：

GINTER, J ^{[1
]}

KOSSUT, J ^{[1
]}

SWIERKOWSKI, L ^{[1
]}

机构：

[1] POLISH ACAD SCI, INST PHYS, PL-02668 WARSAW, POLAND

来源：

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 1979年 / 96卷 / 02期

关键词：

D O I：

10.1002/pssb.2220960230

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Indirect coupling between two localized magnetic moments in a semiconductor is considered. This coupling may be of two origins: due to intraband electron transitions (RKKY) and virtual interband transitions, the latter being of particular importance in materials considered. Strong spinorbit coupling between electronic bands leads to a complicated form of the effective Hamiltonian. It no longer contains a Heisenberg term only. The number of independent constants describing the interaction depends on the symmetry of the interacting pair. The special case of zincblende structure is considered. Several simple models are reviewed and found insufficient to describe the indirect interaction, at least for closely lying moments, a fact which stresses the necessity of numerical calculations. Copyright © 1979 WILEY‐VCH Verlag GmbH & Co. KGaA

引用

页码：735 / 744

页数：10

共 35 条

[1]

ANDRIANOV DG, 1976, FIZ TEKH POLUPROV, V10, P111

[2]

BALTENSPERGER W, 1960, HELV PHYS ACTA, V33, P881

[3] EFFECT OF EXCHANGE ON INTERBAND MAGNETOABSORPTION IN ZERO GAP HG1-5MNKTE MIXED-CRYSTALS [J].