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Conferences > CLEO_QELS > 2014 > FTh3C > FTh3C.5

Observation of Floquet-Bloch States on the Surface of a Topological Insulator

Y.H. Wang, H. Steinberg, P. Jarillo-Herrero, and N. Gedik

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Abstract

Using time- and angle-resolved photoemission spectroscopy, we show that an intense ultrashort mid-infrared pulse with energy below the bulk band gap hybridizes with the surface Dirac fermions of a topological insulator to form Floquet-Bloch bands.

© 2014 Optical Society of America

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