Conductivity of disordered graphene at half filling

  title={Conductivity of disordered graphene at half filling},
  author={P. M. Ostrovsky and I. Gornyi and A. Mirlin},
  journal={The European Physical Journal Special Topics},
  • P. M. Ostrovsky, I. Gornyi, A. Mirlin
  • Published 2007
  • Physics
  • The European Physical Journal Special Topics
  • Abstract. We study electron transport properties of a monoatomic graphite layer (graphene) with different types of disorder at half filling. We show that the transport properties of the system depend strongly on the symmetry of disorder. We find that the localization is ineffective if the randomness preserves one of the chiral symmetries of the clean Hamiltonian or does not mix valleys. We obtain the exact value of minimal conductivity 4e2/πh in the case of chiral disorder. For long-range… CONTINUE READING
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