| 超强飞秒激光脉冲作用下氢分子的高次谐波行为——基于含时密度泛函理论的模拟 |
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| 引用本文： | 顾斌,崔磊,曾祥华,张丰收. 超强飞秒激光脉冲作用下氢分子的高次谐波行为——基于含时密度泛函理论的模拟[J]. 物理学报, 2006, 55(6): 2972-2976 |
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| 作者姓名： | 顾斌 崔磊 曾祥华 张丰收 |
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| 作者单位： | (1)北京师范大学低能核物理研究所,北京市辐射中心,北京 100875; (2)扬州大学物理科学与技术学院,复杂性科学中心,扬州 225002; (3)扬州大学物理科学与技术学院,复杂性科学中心,扬州 225002;北京师范大学低能核物理研究所,北京市辐射中心,北京 100875 |
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| 基金项目： | 江苏省高校自然科学基金 |
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| 摘 要： | 在含时密度泛函理论框架下,采用经典和量子相结合的模型,模拟了氢分子在超强飞秒激光脉冲作用下的高次谐波行为. 结果表明氢分子的高次谐波谱具有“下降—平台—截止”的结构和偶次谐波被禁闭仅出现奇次谐波的选择性特征;不同的激光偏振方向会导致高次谐波的截止频率和谱线强度的变化. 关键词：TDDFT超强飞秒激光高次谐波2分子')" href="#">H2分子
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| 关 键 词： | TDDFT 超强飞秒激光 高次谐波 H2分子 |
| 文章编号： | 1000-3290/2006/55（06）/2972-05 |
| 收稿时间： | 2005-10-11 |
| 修稿时间： | 2005-10-112005-12-09 |
High-order harmonic generation of hydrogen molecule irradiated by ultra-strong femto-second laser pulse--a simulation via TDDFT |
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| Gu Bin,Cui Lei,Zeng Xiang-Hua,Zhang Feng-Shou. High-order harmonic generation of hydrogen molecule irradiated by ultra-strong femto-second laser pulse--a simulation via TDDFT[J]. Acta Physica Sinica, 2006, 55(6): 2972-2976 |
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| Authors: | Gu Bin Cui Lei Zeng Xiang-Hua Zhang Feng-Shou |
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| Affiliation: | 1. College of Physics Science and Technology, Complexity Science Center, Yangzhou University, Yangzhou 225002,China; 2.Institute of low Energy Nuclear Physics, Beijing Normal University, Beijing Radiation Center, Beijing 100875,China |
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| Abstract: | The high order harmonic generation (HHG) of hydrogen molecule irradiated by ultra-strong femto-second laser pulse is simulated by the TTDFT method with the classical and quantum combination technique. The results indicate that the HHG spectra of H-2 have a !decrease-plateau-cutoff" structure. A kind of !odd allowed, even forbidden" selective phenomenon of the order number of HHG is observed. Change in polarization direction of laser beam may change the cut-off order and spectrum intensity of HHG simultaneously. |
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| Keywords: | TDDFT |
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