Low-Frequency Divergence and Quantum Geometry of the Bulk Photovoltaic Effect in Topological Semimetals

We study the low-frequency properties of the bulk photovoltaic effect in topological semimetals. The bulk photovoltaic effect is a nonlinear optical effect that generates dc photocurrents under uniform irradiation, which is allowed by noncentrosymmetry. It is a promising mechanism for a terahertz ph...

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Autores principales: Junyeong Ahn, Guang-Yu Guo, Naoto Nagaosa
Formato: article
Lenguaje:EN
Publicado: American Physical Society 2020
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Acceso en línea:https://doaj.org/article/6750d739f41e4af5a9d762c6ac6712b6
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