First Principle Calculation for High Harmonic Generation in Diamond

被引：7
|
作者：
Otobe, T. [1 ]
Yabana, K. [2 ]
Iwata, J-I. [2 ]
机构：
[1] JAEA, Adv Photon Res Ctr, Kyoto 6190615, Japan
[2] Univ Tsukuba, Ctr Computat Sci, Tsukuba, Ibaraki 3058571, Japan
来源：
JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE | 2009年 / 6卷 / 12期
关键词：
Time-Dependent Density-Functional Theory; High Harmonic Generation; Intense Laser Pulse; First-Principles Calculation; DENSITY-FUNCTIONAL THEORY;
D O I：
10.1166/jctn.2009.1313
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
High harmonic generation from dielectrics is theoretically investigated with the first-principles calculation. The electron dynamics in an infinite periodic system induced by an intense, ultra-short laser pulse is described in the framework of time-dependent density-functional theory. For a diamond interacting with a laser of intensity 1 x 10(14) W/cm(2) and photon energy 1.55 ev, we have found high harmonic generation up to eleventh order. We also point out the significance of the induced polarization on the high harmonic emission.
引用
收藏
页码：2545 / 2549
页数：5
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