Three-dimensional simulation of the femto-second pulsed laser interacting with a nitrogen molecule

被引：3
|
作者：
Lee, Y-M [2 ]
Jiang, T-F [3 ]
Su, Z-Y [2 ]
Wu, J-S [1 ,2 ]
机构：
[1] Natl Chiao Tung Univ, Dept Mech Engn, Hsinchu 30010, Taiwan
[2] Natl Ctr High Performance Comp, Computat Applicat Div, Hsinchu 30076, Taiwan
[3] Natl Chiao Tung Univ, Inst Phys, Hsinchu 30010, Taiwan
来源：
COMPUTER PHYSICS COMMUNICATIONS | 2011年 / 182卷 / 01期
关键词：
Laser; Ionization; TDSE; Effective potential; SAE; IONIZATION;
D O I：
10.1016/j.cpc.2010.06.017
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Interaction of femto-second pulsed laser with a nitrogen molecule at various angles is investigated numerically in the present study We propose a three-dimensional time-dependent Schrodinger equation (TDSE) solver using finite volume method (FVM) with single-active-electron (SAE) assumption We construct the model potential by combining the soft-Coulomb potential and Yukawa potential and fitting both the first ionization energy and orbital type of highest-occupied molecular orbital (HOMO) of a N-2 molecule The ratio of simulated maximum (chi = 0 degrees) to minimum (chi = 90 degrees) Ionization yield is 1 9 and it agrees more favorably with the converted experimental data (2 3-3 3) than the MO-ADK model does (10 0) This shows that the proposed model potential in the 3D TDSE solver can faithfully predict the ionization of a nitrogen molecule under strong pulsed laser incidence and is a very useful tool for future application in similar analysis of more complicated molecules (C) 2010 Elsevier BV All rights reserved
引用
收藏
页码：140 / 142
页数：3
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