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Electric charge and potential distribution in twisted multilayer graphene
Natalya A. Zimbovskaya, Eugene J. Mele
The specifics of charge screening and electrostatic potential spatial distribution in multilayered graphene films placed in between charged substrates is theoretically analyzed. It…
Bulk Dirac points in distorted spinels
Julia A. Steinberg, Steve M. Young, Saad Zaheer +3
We report on a Dirac-like Fermi surface in three-dimensional bulk materials in a distorted spinel structure on the basis of density functional theory (DFT) as well as tight-binding…
Nodal Surfaces in Photoemission from Twisted Bilayer Graphene
Anshuman Pal, E. J. Mele
Selection rules and interference effects in angle resolved photoemission spectra from twisted graphene bilayers are studied within a long wavelength theory for the electronic struc…
Topological Mirror Superconductivity
Fan Zhang, C. L. Kane, E. J. Mele
We demonstrate the existence of topological superconductors (SC) protected by mirror and time reversal (TR) symmetries. D-dimensional (D=1,2,3) crystalline SCs are characterized by…
Valley Chern Numbers and Boundary Modes in Gapped Bilayer Graphene
Fan Zhang, A. H. MacDonald, E. J. Mele
Electronic states at domain walls in bilayer graphene are studied by analyzing their four and two band continuum models, by performing numerical calculations on the lattice, and by…