旋光性的多态跃迁和量子振荡
Multistate transitions and quantum oscillations of optical activity
摘要:
我们考虑了多态跃迁对手性分子隧道外消旋化的影响。这就需要超越简单的两态模型的对映体,并包括在一个多层次的量子mechanicalsystem.We得到一个有效的两个层次的描述,占从对映体的过渡到任意数量的激发态作为应用的Weisskopf-Wigner近似方案。从这些额外的状态的旋光性的修改被认为是一般条款下的假设下,\textit{CPT}不变性,然后根据T不变性。讨论了对映异构体与中性K介子系统之间的一些形式动力学类比。
英文摘要:
We consider the effects of multistate transitions on the tunneling racemization of chiral molecules. This requires going beyond simple two-state models of enantiomers and to include transitions within a multiple-level quantum-mechanical system.We derive an effective two-level description which accounts for transitions from the enantiomers to an arbitrary number of excited states as an application of the Weisskopf-Wigner approximation scheme. Modifications to the optical activity from these additional states are considered in general terms under the assumption of \textit{CPT} invariance and then under T invariance. Some formal dynamical analogies between enantiomers and the neutral K-meson system are discussed.
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