SUBPICOSECOND SPIN RELAXATION DYNAMICS OF EXCITONS AND FREE-CARRIERS IN GAAS QUANTUM-WELLS

被引：330

作者：

DAMEN, TC ^{[1
]}

VINA, L ^{[1
]}

CUNNINGHAM, JE ^{[1
]}

SHAH, J ^{[1
]}

SHAM, LJ ^{[1
]}

机构：

[1] UNIV CALIF SAN DIEGO,DEPT PHYS,LA JOLLA,CA 92093

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.67.3432

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have obtained a coherent understanding of spin relaxation processes of electrons, holes, and excitons in quantum wells by investigating subpicosecond dynamics of luminescence polarization. We show that the spin behavior for electrons and holes in quasi-two-dimensional systems is distinct from that in bulk semiconductors and that many-body effects and formation processes play an important role in exciton spin relaxation.

引用

页码：3432 / 3435

页数：4

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