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19992023
most citedObservation of Weyl nodes in TaAs

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cond-mat.mtrl-sci2020

Direct Observation of Coherent Longitudinal and Shear Acoustic Phonons in TaAs Using Ultrafast X-ray Diffraction

Min-Cheol Lee, N. Sirica, S. W. Teitelbaum +18

Using femtosecond time-resolved X-ray diffraction, we investigated optically excited coherent acoustic phonons in the Weyl semimetal TaAs. The low symmetry of the (112) surface pro…