改进的laser -精馏法用于手性混合物的完全对映体转化
Improved laser-distillation method for complete enantio-conversion of chiral mixtures
摘要：
激光辅助手性分子对映体转化是原子、分子和光学物理中一个重要的研究课题。基于两个简并手性基态和两个非手性激发态的四能级双$Δ$模型，提出了实现对映体转化的激光蒸馏理论方法.在这里，我们重新研究和改进激光蒸馏方法，使手性混合物可以转化为所需手性的对映体纯样品，即，完全的对映体转化，这在以前的激光蒸馏方法的理论工作中没有讨论过。由于不希望的手性可能是低效的，甚至会导致严重的副作用在药理学中，我们的工作作为一个重要的改进，原来的理论工作的激光辅助对映体转换。
英文摘要：
Laser-assisted enantio-conversion is an ambitious issue related to chiral molecules in the atomic, molecular, and optical physics. The theoretical laser-distillation method had been proposed to realize enantio-conversion based on a four-level double-$Δ$ model of two degenerated chiral ground states and two achiral excited states. Here, we re-investigate and improve the laser-distillation method so that a chiral mixture can be converted to an enantiopure sample of the desired chirality, i.e., complete enantio-conversion, which has not been discussed in the previous theoretical works of the laser-distillation method. Since the undesired chirality may be inefficient or even cause serious side effects in pharmacology, our work plays as an important improvement to the original theoretical works of the laser-assisted enantio-conversion.
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