| 轨道对称性在分子高次谐波取向依赖中的作用 |
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| 引用本文： | 郭中华,李会山,董向成,郑小平.轨道对称性在分子高次谐波取向依赖中的作用[J].青海大学学报,2008,26(4):15-19. |
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| 作者姓名： | 郭中华 李会山 董向成 郑小平 |
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| 作者单位： | [1]兰州城市学院培黎工程技术学院,甘肃兰州730070 [2]青海大学基础部,青海西宁810016 |
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| 基金项目： | 甘肃省自然科学基金，甘肃省教育厅科研项目 |
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| 摘 要： | 分子高次谐波的研究结果表明,由于分子的各向异性,分子表现出的谐波特征决定于分子的最高占据轨道,分子产生高次谐波的特征可以通过分子轴取向和激光极化方向的角度依赖关系来进行研究。分子轨道对称性在分子的强场现象中具有很重要的作用,谐波的强度由分子最高占据轨道对称性影响下的电离几率振幅而决定,这一结果将来可以更好的控制高次谐波的产生。
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| 关 键 词： | 强激光场 高次谐波 取向依赖 轨道对称性 |
Function of the orbit symmetry in orientation dependence of molecular high-order harmonic |
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| GUO Zhong-hua,LI Hui-shan,DONG Xiang-cheng,ZHENG Xiao-ping.Function of the orbit symmetry in orientation dependence of molecular high-order harmonic[J].Journal of Qinghai University(Natural Science),2008,26(4):15-19. |
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| Authors: | GUO Zhong-hua LI Hui-shan DONG Xiang-cheng ZHENG Xiao-ping |
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| Institution: | GUO Zhong - hua ,LI Hui - shan ,DONG Xiang - cheng ,ZHENG Xiao - ping ( 1. Peili College of Engineering and Technique, Lanzhou City University, Lanzhou 730070, China; 2. Department of Basic Research, Qinghai University, Xining 810016, China) |
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| Abstract: | The research result on molecular high - order harmonic shows that the molecular harmonic character depends on the highest occupation orbit of the moleculour as the molecular＇ s aeolotrepism and the character of high - order harmonic generated by the molecular can be studied through the orientation of molecular axis and the angle dependence ralationship of laser polarization direction. The molecular orbit symmetry plays a very important role in molacular inteuse field phenomena and the harmonic intense depends on the ionization probability amplitude under the affection of molecular highest occupied orbit symmetry. This result will be used to control the high - order harmonic generation in the future. |
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| Keywords: | intense laser field high - order harmonic orientation dependence orbit symmerty |
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