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arXiv 2007.15080physics.optics
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双量子多维相干谱的线型分析

Lineshape Analysis of Double-Quantum Multidimensional Coherent Spectra

Bachana Lomsadze, Steven T. Cundiff

摘要:

双量子二维相干光谱(MDCS)是研究原子和复杂分子系统以及半导体材料光学性质的一种强有力的光学方法。双量子二维光谱,特别是光谱上的峰线形也可以提供关于多体相互作用的信息。我们通过求解光学布洛赫方程来模拟二维光谱,并显示了耦合共振之间相关性的影响,这也解释了多个小组报告的实验结果之间的差异。

英文摘要:

Double-quantum two-dimensional coherent spectroscopy (MDCS) is a powerful optical method that is used to study optical properties of atomic and complex molecular systems and semiconductor materials. Double-quantum 2D spectra and particularly the peak lineshapes on the spectra can also provide information about many-body interactions. We model 2D spectra by solving the optical Bloch equations and show the effects of correlation between coupled resonances, which also explains the discrepancies between the experimental results reported by multiple groups.

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