Condensation of 2D electron-hole pairs with spin degree of freedom

被引：1

作者：

Fernandez-Rossier, J ^{[1
]}

Tejedor, C ^{[1
]}

机构：

[1] Univ Autonoma Madrid, Dept Fis Mat Condensada, E-28049 Madrid, Spain

来源：

PHYSICA B-CONDENSED MATTER | 1998年 / 249卷

关键词：

exciton condensation; spin polarization; quantum wells;

D O I：

10.1016/S0921-4526(98)00298-1

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We study theoretically a condensate of electron-hole pairs with different spin orientations. In a mean field description, both the energy and the chemical potentials of this system depend strongly on both the spin polarization and total density. The phase coherence induced by condensation of pairs is discussed. When electrons and holes are located in two separated planes, the system can be either totally spin polarized for a large separation or spin unpolarized for a small separation. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：714 / 717

页数：4

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