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arXiv 2201.12117physics.chem-phquant-ph
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广义共振能量转移理论在光学谐振腔振动能流中的应用

Generalized resonance energy transfer theory: Applications to vibrational energy flow in optical cavities

Jianshu Cao

摘要:

用于共振能量转移的一般速率理论被公式化以结合任何自由度(例如,旋转、振动、激子和极化激元)以及相干耦合复合态。紧凑的速率表达式允许我们建立有用的关系:(i)当供体和受体处于相同温度时的细致平衡条件;(ii)与供体的发射和受体的吸收光谱之间的重叠成比例;(iii)与有效相干尺寸成比例,即,相干耦合分子的数量;(iv)从相互作用势推导出的空间和取向依赖性。当应用于腔辅助振动能量转移,率形式主义提供了一个直观的和定量的解释有趣的现象,如协同性,共振,和非线性集体振动强耦合制度,在最近的模拟中证明。

英文摘要:

A general rate theory for resonance energy transfer is formulated to incorporate any degrees of freedom (e.g., rotation, vibration, exciton, and polariton) as well as coherently-coupled composite states. The compact rate expression allows us to establish useful relationships: (i) detailed balance condition when the donor and acceptor are at the same temperature; (ii) proportionality to the overlap between donor's emission and acceptor's absorption spectra; (iii) scaling with the effective coherent size, i.e., the number of coherently coupled molecules; (iv) spatial and orientational dependences as derived from the interaction potential. When applied to cavity-assisted vibrational energy transfer, the rate formalism provides an intuitive and quantitative explanation of intriguing phenomena such as cooperativity, resonance, and nonlinearity in the collective vibrational strong coupling regime, as demonstrated in recent simulations.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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