非互易跃迁诱导谱线消除法测定对映体过量
Enantiomeric excess determination based on nonreciprocal transition induced spectral line elimination
摘要：
研究了具有非互易跃迁的多能级原子或分子的自发发射谱。结果表明，非互易跃迁可以消除自发发射谱中的一条谱线。作为应用，我们证明了在具有循环三能级跃迁的手性分子中，非互易跃迁是由相关联驱动场引起的，而消除由非互易跃迁引起的谱线为我们提供了一种不需要对映体纯样品而测定手性分子对映体过量的方法.
英文摘要：
The spontaneous emission spectrum of a multi-level atom or molecule with nonreciprocal transition is investigated. It is shown that the nonreciprocal transition can lead to the elimination of a spectral line in the spontaneous emission spectrum. As an application, we show that nonreciprocal transition arises from the phase-related driving fields in chiral molecules with cyclic three-level transitions, and the elimination of a spectral line induced by nonreciprocal transition provides us a method to determine the enantiomeric excess for the chiral molecules without requiring the enantio-pure samples.
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