High-harmonic generation from few-layer hexagonal boron nitride: Evolution from monolayer to bulk response
作者： Guillaume Le Breton , Angel Rubio , Nicolas Tancogne-Dejean
DOI: 10.1103/PHYSREVB.98.165308
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摘要: Two-dimensional materials offer a versatile platform to study high-harmonic generation (HHG), encompassing as limiting cases bulklike and atomiclike harmonic generation [Tancogne-Dejean and Rubio, Sci. Adv. 4, eaao5207 (2018)]. Understanding the high-harmonic response of few-layer semiconducting systems is important and might open up possible technological applications. Using extensive first-principles calculations within a time-dependent density functional theory framework, we show how the in-plane and out-of …
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