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Condensed Matter > Strongly Correlated Electrons

arXiv:2202.03569 (cond-mat)
[Submitted on 8 Feb 2022 (v1), last revised 26 Apr 2022 (this version, v2)]

Title:Chiral Electronic Excitations in a Quasi-2D Rashba System BiTeI

Authors:A. C. Lee, B. Peng, K. Du, H.-H. Kung, B. Monserrat, S.-W. Cheong, C. J. Won, G. Blumberg
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Abstract:The optical transitions between spin-polarized bands of the quasi-two dimensional Rashba system BiTeI are investigated using polarization resolved resonant Raman spectroscopy. We detect chiral excitations between states with opposite helicity and compare spectra to calculations within a three-band model. Using the resonant Raman excitation profile, we deduce the Rashba parameters and band gaps of the higher conduction bands near the Fermi level, and compare the parameters to values obtained by ab initio density function theory (DFT).
Subjects: Strongly Correlated Electrons (cond-mat.str-el)
Cite as: arXiv:2202.03569 [cond-mat.str-el]
  (or arXiv:2202.03569v2 [cond-mat.str-el] for this version)
  https://doi.org/10.48550/arXiv.2202.03569
Related DOI: https://doi.org/10.1103/PhysRevB.105.L161105

Submission history

From: Girsh Blumberg [view email]
[v1] Tue, 8 Feb 2022 00:14:42 UTC (183 KB)
[v2] Tue, 26 Apr 2022 01:15:59 UTC (185 KB)
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