超越长波长近似模拟非谐振动极化子

Dipti Jasrasaria, Arkajit Mandal, David R. Reichman, Timothy C. Berkelbach
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引用次数: 0

摘要

在这项工作中,我们研究了由于光腔中辐射模式与超越长波极限的非谐振动之间强烈的光物质相互作用而形成的非谐振动极化子。我们介绍了一种概念上简单的光物质相互作用描述,即空间定位的腔体辐射模式与定位振动耦合。在这一理论框架内,我们采用自洽声子理论和振动动力学均场理论,有效地模拟了动量分辨振动-极化子光谱,包括非谐波效应。在模型系统中进行的数值模拟证明了我们方法的准确性和适用性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simulating anharmonic vibrational polaritons beyond the long wavelength approximation
In this work we investigate anharmonic vibrational polaritons formed due to strong light-matter interactions in an optical cavity between radiation modes and anharmonic vibrations beyond the long-wavelength limit. We introduce a conceptually simple description of light-matter interactions, where spatially localized cavity radiation modes couple to localized vibrations. Within this theoretical framework, we employ self-consistent phonon theory and vibrational dynamical mean-field theory to efficiently simulate momentum-resolved vibrational-polariton spectra, including effects of anharmonicity. Numerical simulations in model systems demonstrate the accuracy and applicability of our approach.
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