Abstract:Time-resolved ARPES gives access to the band structure and ultrafast dynamics of excited electronic states in solids. The orbital character of the bands close to the Fermi level is essential to understand the origin of several exotic phenomena in quantum materials. By performing polarization dependent time-and angle-resolved photoemission spectroscopy and by analizing the chirality of the photoelectron yield for two different crystal orientations, we identify the orbital character of bands below and above the … Show more
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