Quantentheorie der Laserkontrolle von Enantiomer-selektiven Reaktionen

激光控制对映体选择性反应的量子理论

• 批准号: 5204294
• 负责人: Professor Dr. Jörn Manz
• 金额: --
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 1999
• 资助国家: 德国
• 起止时间: 1998-12-31 至 2002-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/5204294?language=en
• 关键词: Quantentheorie; der; Laserkontrolle; von; Enantiomer

The purpose of this proposal is to develop the quantum theory of selective preparation of enantiomers by means of circular or elliptical polarized ultrashort laser pulses. The theory shall be applied to simple model systems which can be described by quantum chemical ab initio and quantum dynamical techniques, including semiclassical dipole coupling to the laser field. The laser field should be designed such that the initial racemic mixture of two enantiomers with opposite chirality will be changed, and in the ideal case it should be converted into a single enantiomer. This conversion shall be simulated by representative molecular wave packets which are driven by the laser field from the racemic initial state to the non-racemic or even pure enantiomeric final state. Optimal laser fields will be designed by complementary techniques which have been developed by the partners of this German-Japanese cooperation.

本研究的目的是发展利用圆偏振或椭圆偏振超短激光脉冲选择性制备对映体的量子理论。该理论应适用于简单的模型系统，可以描述的量子化学从头算和量子动力学技术，包括半经典偶极耦合到激光场。激光场的设计应使具有相反手性的两种对映异构体的初始外消旋混合物发生变化，在理想情况下，它应转化为单一对映异构体。这种转化应通过代表性的分子波包来模拟，所述分子波包由激光场驱动从外消旋初始状态到非外消旋或甚至纯的对映体最终状态。最佳的激光场将通过德国-日本合作伙伴开发的互补技术来设计。