Assessment of adiabatic local-density approximation for nonlinear optical properties

被引：8

作者：

Banerjee, A ^{[1
]}

Harbola, MK ^{[1
]}

机构：

[1] Ctr Adv Technol, Laser Programme, Indore 452013, India

来源：

EUROPEAN PHYSICAL JOURNAL D | 1999年 / 5卷 / 02期

关键词：

D O I：

10.1007/s100530050245

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Employing a near exact Hylleraas wavefunction we calculate various third-order nonlinear optical properties for the helium atom within the time-dependent Kohn-Sham theory. In our calculations we employ the adiabatic local-density approximation (ALDA) for the exchange and correlation kernels f(xc) and g(xc), and compare the numbers obtained by us with the available accurate theoretical as well as experimental results. Our results demonstrate the accuracy of ALDA for the calculation of nonlinear optical properties of many electron systems.

引用

页码：201 / 206

页数：6

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