Photoinduced interfacial chiral modes in threefold topological semimetal

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Researchers

Research units

  • Russian Academy of Sciences, Ioffe Physical-Technical Institute

Abstract

We investigate the chiral electronic modes at the interface between two regions of a threefold topological semimetal, which is illuminated by left and right handed elliptically polarized waves. The radiation effects on the band structure of semimetal are analyzed by using Floquet theory. Two distinct solutions of the interface modes are found with the chirality depending on the phase of the irradiation. We also consider the anomalous Hall response, which is attributed to the interband contribution between the dispersionless flat band and conic bands.

Details

Original languageEnglish
Article number165302
Pages (from-to)1-6
Number of pages6
JournalPhysical Review B
Volume100
Issue number16
Publication statusPublished - 7 Oct 2019
MoE publication typeA1 Journal article-refereed

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