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arXiv 2008.03795physics.chem-ph
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分子极化激元的Hartree方法

Hartree method for molecular polaritons

Vladimir Al. Osipov, Boris Fainberg

摘要:

复合光子-激子粒子(称为极化激元)的形成是在具有与光的强耦合的材料中出现的现象。有机基材料除了强的光-物质耦合外,还表现出电子和振动自由度的强相互作用。我们研究了振动辅助极化激元波函数的演化处理这两种类型的相互作用同样强大。使用多组态Hartree方法,我们推导出运动方程的极化激元波函数,其中的振动自由度与极化激元量子场通过平均场Hartree项相互作用。

英文摘要:

The formation of the composite photonic-excitonic particle, known as a polariton, is a phenomenon emerging in materials possessing strong coupling to light. The organic-based materials besides the strong light-matter coupling also demonstrate strong interaction of electronic and vibrational degrees of freedom. We study the vibration-assisted polariton wavefunction evolution treating both types of interactions as equally strong. Using the multiconfiguration Hartree approach we derive the equations of motion for the polariton wavefunction, where the vibration degrees of freedom interact with the polariton quantum field through the mean-field Hartree term.

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