COULOMB QUANTUM KINETICS AND OPTICAL DEPHASING ON THE FEMTOSECOND TIME-SCALE

被引：53

作者：

ELSAYED, K

BANYAI, L

HAUG, H

机构：

[1] Institut für Theoretische Physik, Universität Frankfurt, D-60054 Frankfurt am-main

来源：

PHYSICAL REVIEW B | 1994年 / 50卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.50.1541

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Quantum kinetic equations with memory are formulated and solved for the femtosecond Coulomb kinetics of an optically excited electron-hole plasma. In a time interval smaller than the inverse plasma frequency screening and energy conservation are still absent. The resulting decay of the optical interband polarization is shown to be nonexponential and is in qualitative agreement with the results of the quasiclassical theory of Gurevich et al.

引用

页码：1541 / 1550

页数：10

共 33 条

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