Theory of non-integer high-harmonic generation in a topological surface state

URN to cite this document:: urn:nbn:de:bvb:355-epub-522822
DOI to cite this document:: 10.5283/epub.52282

Graml, Maximilian ; Nitsch, Maximilian ; Seith, Adrian ; Evers, Ferdinand

; Wilhelm, Jan

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Date of publication of this fulltext: 13 May 2022 07:08

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Abstract

High harmonic generation is a versatile experimental technique for probing ultrafast electron dynamics. While in the past it has been employed typically in dielectrics and semiconductors, recently high harmonic generation was also observed from a topological surface [Schmid et al., Nature 593, 385 (2021)]. It has been found that harmonic orders in the intermediate range of 13-18 continuously ...