| 经典理论中强激光场下的二维异核氢分子离子(HD~+) |
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| 引用本文： | 沈延群,郭静,刘学深. 经典理论中强激光场下的二维异核氢分子离子(HD~+)[J]. 吉林大学学报(理学版), 2010, 48(6): 1023-1026 |
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| 作者姓名： | 沈延群 郭静 刘学深 |
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| 作者单位： | 1. 长春大学 应用理学院, 长春 130022,2. 吉林大学 原子与分子物理研究所, 长春 130012 |
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| 摘 要： | 采用经典理论的辛算法数值求解强场下二维共面异核氢分子离子(HD+)的Hamilton正则方程,得到了二维异核氢分子离子(HD+)在激光场作用下的经典轨迹,计算了HD+的存活几率、电离几率、解离几率、Coulomb爆炸几率及相应的电子位置与核间距随时间的演化,并分析了单色场强度变化对HD+动力学行为的影响,将HD+与同核氢分子离子(H2+)的动力学行为进行比较,给出了物理解释.
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| 关 键 词： | 二维异核氢分子离子 经典动力学 辛算法 强激光场 |
| 收稿时间： | 2009-11-26 |
Classical Theoretical on Two-Dimensional Hydrogen Molecular Ion (HD+ ) in Intense Laser Fields |
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| SHEN Yan-qun,GUO Jing,LIU Xue-shen. Classical Theoretical on Two-Dimensional Hydrogen Molecular Ion (HD+ ) in Intense Laser Fields[J]. Journal of Jilin University: Sci Ed, 2010, 48(6): 1023-1026 |
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| Authors: | SHEN Yan-qun GUO Jing LIU Xue-shen |
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| Affiliation: | 1. College of Applied Science, Changchun University, Changchun 130022, China;2. |Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, |China |
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| Abstract: | The symplectic method of classical theory was used to solve numerically the Hamilton canonical equations of the 2D planar HD+ in intense laser fields, and obtained the classical trajectories of the 2D planar HD+ in the laser fields, the probabilities of survival ionization, dissociation, Coulomb explosion and the average distances from electron to the mass-center for various laser parameters as functions of time were investigated. We analyzed intensity dependence on the dynamics of HD+ in the monochromatic laser fields and compared our results with the corresponding H+2 calculations and gave the corresponding physical explanations. |
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| Keywords: | two-dimentional HD+ classical dynamics symplectic method intense laser field |
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