Dynamic conductivity in graphene beyond linear response.

  title={Dynamic conductivity in graphene beyond linear response.},
  author={E. Mishchenko},
  journal={Physical review letters},
  volume={103 24},
  • E. Mishchenko
  • Published 2009
  • Physics, Medicine
  • Physical review letters
  • The independence of the dynamic conductivity of intrinsic graphene of frequency takes its origin in the compensation of the vanishing density of states by the diverging matrix element of the corresponding interband transition. The applicability of the linear response approach, however, breaks down when this matrix element becomes comparable with the inverse electron lifetime. We show that the physics of the ac conductivity in this regime is determined by Rabi oscillations and obtain it beyond… CONTINUE READING
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