Helicity-dependent photocurrents in the chiral Weyl semimetal RhSi

@article{Rees2020HelicitydependentPI,
  title={Helicity-dependent photocurrents in the chiral Weyl semimetal RhSi},
  author={Dylan Rees and K. Manna and Baozhu Lu and T. Morimoto and H. Borrmann and C. Felser and J. E. Moore and Darius H. Torchinsky and J. Orenstein},
  journal={Science Advances},
  year={2020},
  volume={6}
}
  • Dylan Rees, K. Manna, +6 authors J. Orenstein
  • Published 2020
  • Physics, Medicine
  • Science Advances
  • The CPGE spectrum and optical conductivity in RhSi are measured and discussed, comparing to theoretical predictions. Weyl semimetals are crystals in which electron bands cross at isolated points in momentum space. Associated with each crossing point (or Weyl node) is a topological invariant known as the Berry monopole charge. The circular photogalvanic effect (CPGE), whereby circular polarized light generates a helicity-dependent photocurrent, is a notable example of a macroscopic property that… CONTINUE READING
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