极化子光化学中的极化Fock态
Polarized Fock States for Polariton Photochemistry
摘要：
我们用极化Fock态来描述量子电动力学中的耦合分子-腔杂化系统。分子永久偶极通过位移矢量势来改变光子场，导致两个不同偏振光子场的Fock态之间的非正交性。这些极化的Fock态可以直观地理解超越量子Rabi模型预测的几种新现象，同时为收敛结果提供了数值便利。我们进一步利用这种非正交性从单个电子激发（下转换）产生多个光子并控制光化学反应性。
英文摘要：
We use the polarized Fock states to describe the coupled molecule-cavity hybrid system in quantum electrodynamics. The molecular permanent dipoles polarize the photon field by displacing its vector potential, leading to non-orthogonality between the Fock states of two different polarized photon fields. These polarized Fock states allow an intuitive understanding of several new phenomena that go beyond the prediction of the quantum Rabi model, and at the same time, offer numerical convenience to converge the results. We further exploit this non-orthogonality to generate multiple photons from a single electronic excitation (downconversion) and control the photochemical reactivity.
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