计算物理 ›› 2009, Vol. 26 ›› Issue (1): 147-151.

• 研究论文 • 上一篇    下一篇

双色激光场中一维氢分子的经典动力学性质研究

贾丽娜, 郭静, 刘学深   

  1. 吉林大学原子与分子物理研究所, 吉林 长春 130012
  • 收稿日期:2007-08-27 修回日期:2007-11-21 出版日期:2009-01-25 发布日期:2009-01-25
  • 作者简介:贾丽娜(1982-),女,辽宁,硕士生,从事强激光与分子的相互作用方面的研究.
  • 基金资助:
    国家自然科学基金(10574057,10571074);高等学校博士学科点专项科研基金(20050183010)资助项目

Classical Dynamics of One-dimensional Hydrogen Molecule in Two-color Intense Laser Field

JIA Lina, GUO Jing, LIU Xueshen   

  1. Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China
  • Received:2007-08-27 Revised:2007-11-21 Online:2009-01-25 Published:2009-01-25

摘要: 应用经典理论方法,采用辛算法,数值求解双色激光场作用下的一维共线氢分子的哈密顿正则方程,得到氢分子在激光场作用下的经典轨迹,并计算H2+,H22+,H,H+等产物的产生概率随时间的演化,分析了双色场的光强、倍频、相位的变化对氢分子动力学性质的影响并给出相关的物理解释.

关键词: 双色场, 一维氢分子, 经典动力学, 辛算法

Abstract: Dynamics of one-dimensional hydrogen molecule in two-color intense laser field is studied with classical theory and symplectic algorithm.Classical trajectories are obtained by solving Hamiltonian equations numerically. Probabilities of H2+,H22+,H,H+ are evaluated.Classical dynamics caused by laser intensity,frequency,and phase are illustrated and explained.

Key words: two-color intense laser field, hydrogen molecule, classical dynamics, symplectic algorithm

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