论文标题
单体性特性中的多体效应单层钼
Many-body effect in optical properties of monolayer molybdenum diselenide
论文作者
论文摘要
单层过渡金属二北元化(TMD)中的激子提供了2D系统中的复合玻色子范式。这封信报告了带有静电门控的单层钼(Mose2)中激子的光致发光和反射率研究。我们观察到带边缘激发量,激发态和衍生激子的排斥和吸引人的费米极化模式。我们的数据验证了系统中简单三粒子模型的二极管行为,不足以解释。
Excitons in monolayer transition metal dichalcogenide (TMD) provide a paradigm of composite Boson in 2D system. This letter reports a photoluminescence and reflectance study of excitons in monolayer molybdenum diselenide (MoSe2) with electrostatic gating. We observe the repulsive and attractive Fermi polaron modes of the band edge exciton, its excited state and the spin-off excitons. Our data validate the polaronic behavior of excitonic states in the system quantitatively where the simple three-particle trion model is insufficient to explain.