AI RESEARCHarXiv9d ago

Terahertz Magneto-Photocurrents in the Topological Insulator $Bi_{2} Se_{3}$ Probe Its Topological Surface States

Chihun In · Genaro Bierhance · Deepti Jain · Tom S. Seifert · Oliver Gueckstock · Roberto Mantovan · Seongshik Oh · Tobias Kampfrath

Abstract

Author(s): Chihun In, Genaro Bierhance, Deepti Jain, Tom S. Seifert, Oliver Gueckstock, Roberto Mantovan, Seongshik Oh, and Tobias Kampfrath<br/><p>We study ultrafast magneto-photocurrents in a three-dimensional topological insulator. For this purpose, we excite

(I n_{r} B i_{1 - r})_{2} S e_{3}

thin films with a femtosecond laser pulse in the presence of an external magnetic field

\mathbit B_{e x t}

up to $0…</p><br/>[Phys. Rev. Lett. 137, 106601] Published W

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Original paper on arXiv

Terahertz Magneto-Photocurrents in the Topological Insulator Bi2​Se3​Probe Its Topological Surface States

Abstract

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Terahertz Magneto-Photocurrents in the Topological Insulator $Bi_{2} Se_{3}$ Probe Its Topological Surface States