Exchange Interaction and Rashba Spin Splitting Effects in Electron Spin Resonance in Narrow-Gap Quantum Wells

被引：0
|
作者：
Krishtopenko, S. S. [1 ,2 ]
Malyzhenkov, A. V. [1 ]
Kalinin, K. P. [1 ]
Ikonnikov, A. V. [1 ]
Maremyanin, K. V. [1 ]
Gavrilenko, V. I. [1 ]
Goiran, M. [2 ]
机构：
[1] Inst Phys Microstruct RAS, GSP 105, Nizhnii Novgorod 603950, Russia
[2] Univ Toulouse, CNRS, LNCMI T, UPR 3228, F-31400 Toulouse, France
来源：
PHYSICS OF SEMICONDUCTORS | 2013年 / 1566卷
关键词：
Electron spin resonance; exchange interaction; Larmor theorem; InAs/AlSb QW heterostructures;
D O I：
10.1063/1.4848408
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report a study of electron spin resonance (ESR) in a perpendicular magnetic field in n-type narrow-gap quantum well (QW) heterostructures. Using the Hartree-Fock approximation, based on the 8x8 k.p Hamiltonian, the many-body corrections to the ESR energy are found to be nonzero in symmetric and asymmetric narrow-gap QWs. We demonstrate a significant enhancement of the ESR energy in asymmetric QWs, induced by the Rashba spin splitting and exchange interaction, as well as the exchange-induced enhancement of the ESR energy in symmetric QWs. The ESR energies estimated for 2DEG in InAs/AlSb QWs are compared with experimental results in weak magnetic fields.
引用
收藏
页码：307 / +
页数：2
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