Interacting Electrons in Graphene: Fermi Velocity Renormalization and Optical Response.
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DOI: 10.1103/physrevlett.118.266801
Abstract: We have developed a Hartree-Fock theory for electrons on a honeycomb lattice aiming to solve a long-standing problem of the Fermi velocity renormalization in graphene. Our model employs no fitting parameters (like an unknown band… read more here.
Keywords: interacting electrons; fermi velocity; renormalization; velocity renormalization ... See more keywords