Many-electron effects on optical absorption spectra of strained graphene

  title={Many-electron effects on optical absorption spectra of strained graphene},
  author={Yufeng Liang and Shouting Huang and Li Yang},
  journal={Journal of Materials Research},
We use the first-principles GW + Bethe–Salpeter equation approach to study the electronic structure and optical absorption spectra of uniaxial strained graphene. Applied strain induces an anisotropic Fermi velocity and tilts the axis of the Dirac cone. As a result, the optical response of strained graphene is dramatically changed; the optical absorption is anisotropic; the characteristic single optical absorption peak of pristine graphene is split into two peaks with enhanced excitonic effects… 
8 Citations
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  • L. Yang
  • Materials Science, Physics
    Nano letters
  • 2011
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