Second-order susceptibility from a tight-binding Hamiltonian

被引：21

作者：

Dumitrica, T ^{[1
]}

Graves, JS ^{[1
]}

Allen, RE ^{[1
]}

机构：

[1] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA

来源：

PHYSICAL REVIEW B | 1998年 / 58卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.58.15340

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Using a new formalism that modifies a tight-binding Hamiltonian to include interaction with a time-dependent electromagnetic field, we have obtained an analytical expression for the second-order susceptibility. This expression has been used to calculate the energy dependence of X-(2)(omega) for GaAs. The results are in agreement with previous calculations and with available experimental data. [S0163-1829(98)01848-7].

引用

页码：15340 / 15343

页数：4

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