Tracking Ultrafast Photocurrents in the Weyl Semimetal TaAs Using THz Emission Spectroscopy.
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DOI: 10.1103/physrevlett.122.197401
Abstract: We investigate polarization-dependent ultrafast photocurrents in the Weyl semimetal TaAs using terahertz (THz) emission spectroscopy. Our results reveal that highly directional, transient photocurrents are generated along the noncentrosymmetric c axis regardless of incident light polarization,… read more here.
Keywords: taas using; ultrafast photocurrents; weyl semimetal; spectroscopy ... See more keywords