Scholz, Andreas and Stauber, Tobias and Schliemann, John
Dielectric function, screening, and plasmons of graphene in the presence of spin-orbit interactions.
Phys. Rev. B 86, p. 195424.
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Other URL: http://link.aps.org/doi/10.1103/PhysRevB.86.195424
We study the dielectric properties of graphene in the presence of Rashba and intrinsic spin-orbit interactions in their most general form, i.e., for arbitrary frequency, wave vector, doping, and spin-orbit coupling (SOC) parameters. The main result consists in the derivation of closed analytical expressions for the imaginary as well as for the real part of the polarization function. Several ...
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