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H_2O和HLi分子的双光子激发 被引量：1

Two-Photon Excitation for H_2O and HLi
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摘要 用全相对论量子力学计算H2O和HLi的双光子偶极激发。为对比起见,同时用非相对论的对称匹配团族-组态相互作用法(SAC-CI)计算其单光子激发。对于无对称中心的H2O和HLi,符合相应群的对称选择原则。双光子跃迁几率一般比单光子跃迁的小3～5个数量级。在计算双光子偶极激发时,应采用同时包含了空间的对称性和时间反转对称性的全相对论。 The two-photon excitation is studied by the full relativistic theory of H2 O and HLi. The single-photon excitation of H2O and HLi molecules is also studied using symmetry adapted cluster/configuration interaction （SAC- CI） method for comparison. The excitation probability of two-photon excitation is 3-5 orders of magnitude less than that of single-photon excitation. It is better to use the full relativistic theory, which involves both space and time symmetry, for the calculation of two-photon excitation.
作者 朱正和 万明杰 唐永建 蒙大桥
机构地区 四川大学原子分子物理所
出处 《光学学报》 EI CAS CSCD 北大核心 2012年第1期292-297,共6页 Acta Optica Sinica
基金 中国工程物理研究院联合基金(H09060)资助课题
关键词 原子与分子物理学 双光子激发 单光子激发 分子H2O和HLi atomic and molecular physics two-photon excitation single-photon excitation H2O and HLi molecules
分类号 O561.3 [理学—原子与分子物理]
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参考文献15

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光学学报
2012年 第1期

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