论文标题

圆形极化辐射下的β-硼苯:极化和极化动力带结构

Beta-Borophene Under Circularly Polarized Radiation: Polaritonic and Polaronic Dynamic Band Structure

论文作者

Akay, D., Schliemann, J.

论文摘要

我们研究了单层辐射对单层\ b {eta} - 苯乙烯中光学极化子的影响。我们专注于大型驾驶频率的抗谐振机制,该频率允许建立一个有效的时间无关的汉密尔顿人,描述了辐射场,最多可达第二扰动顺序。光学表面语音子的贡献是根据Lee-low-pines理论通过一系列适当的单一转换序列纳入的。我们调查中的一个中心对象是电子带隙,通过光照射和底物特性的变化,该物体间隙可广泛控制。

We study the effect of circularly polarized electromagnetic radiation on optical polarons in monolayer \b{eta}-borophene. We focus on the off-resonant regime of large driving frequencies, which allows to set up an effectively time-independent Hamiltonian describing the radiation field in up to second perturbational order. The contributions of optical surface phonons are incorporated according to Lee-Low-Pines theory, via a sequence of appropriate unitary transformations. A central object in our investigation is the electronic band gap, which is shown to be widely controllable via the variation of light irradiation and substrate properties.

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