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Applications of Molecular Theory of Sum-Frequency Generations To Study Molecular Chirality

机译:和频世代分子理论在分子手性研究中的应用

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Theoretical expressions for sum-frequency generation (SFG) signals,which can be applied to treat various SFG experiments,have been derived.We have applied the theoretical results to study the SFG experiments for the near-electronic resonant,singly resonant IR-UV,and doubly resonant IR-UV cases that are associated with the measurements reported by Shen's group.We have taken into account both the electric and magnetic dipole interactions and the applied laser and detection polarization combinations explicitly.Relationships between the polarization combinations and the electric-dipole-electric-dipole mechanism,the electric-dipole-magnetic-dipole mechanism,the magnetic-dipole-electric-dipole mechanism,and the magnetic-dipole-magnetic-dipole mechanisms are clarified.Based on the theoretical results,near-electronic resonant SFG,singly resonant IR-UV SFG,doubly resonant IR SFG experiments are discussed.
机译:推导了可用于处理各种SFG实验的和频产生(SFG)信号的理论表达式。我们将理论结果用于研究近电子共振,单共振IR-UV的SFG实验,以及与沈氏小组报告的测量结果有关的双共振IR-UV情况。我们已经考虑了电和磁偶极相互作用以及所应用的激光和检测偏振组合。偏振组合与电偶极之间的关系阐明了电偶极子机制,电偶极子磁偶极子机制,磁偶极子电偶极子机制和磁偶极子磁偶极子机制。基于理论结果,近电子共振SFG ,讨论了单共振IR-UV SFG,双共振IR SFG实验。

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