AI 中文总结
该研究针对光腔集体强耦合诱导分子系综性质突变的未知机制，基于球形Sherrington-Kirkpatrick自旋玻璃模型，推导极化率变化的解析表达式，证实集体强耦合可通过熵电离简并分子轨道使分子系综呈金属性，为腔介导电子关联理论奠定基础。
AI 中文摘要
实验表明，光腔中的集体强耦合可显著改变分子系综的电导率和介电性质，甚至触发突变的相变（由瑞利散射或色散力驱动的构象平衡导致）。至今，其潜在物理机制仍未知。近期提出的理论将这些集体效应归因于腔诱导的电子关联，其具有已知的球形Sherrington-Kirkpatrick自旋玻璃模型的特性。因此，熵效应可触发分子间电子关联的相变，或能解释上述实验。本研究推导了关联（自由）能诱导的极化率变化的解析表达式，结果表明，在特定条件下，集体强耦合可通过熵电离集体简并的分子轨道，使分子系综呈现金属性。本研究是建立腔介导电子关联效应整体理论的重要第一步。
英文摘要
Experiments have revealed that collective strong coupling in optical cavities can drastically alter the conductivity and dielectric properties of molecular ensembles, or even trigger abrupt phase transitions (in Rayleigh scattering or dispersion force driven conformational equilibrium). Until now, the underlying physical mechanism has remained unknown. A recently proposed theory attributes these collective effects to cavity-induced electron correlations that share properties of the known spherical Sherrington-Kirkpatrick model of a spin glass. As a consequence, entropic effects can trigger a phase transition in the inter-molecular electron correlations that could potentially explain the above experiments. In the following work, we derive analytic expressions for the correlation (free-)energy-induced polarizability changes, which reveal that under certain conditions collective strong coupling can even render our molecular ensemble metallic by entropically ionizing collectively degenerate molecular orbitals. Our results are a first major step towards a holistic theory of cavity-mediated electron correlation effects.
