Spin-splitting-induced photogalvanic effect in quantum wells

被引：46

作者：

Golub, LE ^{[1
]}

机构：

[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia

来源：

PHYSICAL REVIEW B | 2003年 / 67卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.67.235320

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A theory of the circular photogalvanic effect caused by spin splitting in quantum wells is developed. Direct interband transitions between the hole and electron size-quantized subbands are considered. It is shown that the photocurrent value and direction depend strongly on the form of the spin-orbit interaction. The currents induced by structure-, bulk-, and interface-inversion asymmetry are investigated. The photocurrent excitation spectra caused by spin splittings in both conduction and valence bands are calculated.

引用

页数：7

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