Quantized circular photogalvanic effect in Weyl semimetals

@article{Juan2017QuantizedCP,
  title={Quantized circular photogalvanic effect in Weyl semimetals},
  author={Fernando de Juan and Adolfo G Grushin and Takahiro Morimoto and Joel E Moore},
  journal={Nature Communications},
  year={2017},
  volume={8}
}
  • Fernando de Juan, Adolfo G Grushin, +1 author Joel E Moore
  • Published 2017
  • Physics, Medicine
  • Nature Communications
  • The circular photogalvanic effect (CPGE) is the part of a photocurrent that switches depending on the sense of circular polarization of the incident light. It has been consistently observed in systems without inversion symmetry and depends on non-universal material details. Here we find that in a class of Weyl semimetals (for example, SrSi2) and three-dimensional Rashba materials (for example, doped Te) without inversion and mirror symmetries, the injection contribution to the CPGE trace is… CONTINUE READING

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