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Electric Field Tunable Band Gap in Commensurate Twisted Bilayer Graphene
Spenser Talkington, Eugene J. Mele
Bernal bilayer graphene exhibits a band gap that is tunable through the infrared with an electric field. We show that sublattice odd commensurate twisted bilayer graphene (C-TBG) e…
Network model for periodically strained graphene
Christophe De Beule, Vo Tien Phong, E. J. Mele
The long-wavelength physics of monolayer graphene in the presence of periodic strain fields has a natural chiral scattering network description. When the strain field varies slowly…
Polaritonic Chern insulators in monolayer semiconductors
Li He, Jingda Wu, Jicheng Jin +2
Systems with strong light-matter interaction opens up new avenues for studying topological phases of matter. Examples include exciton-polaritons, mixed light-matter quasiparticles,…
Plasmonic gain in current biased tilted Dirac nodes
Sang Hyun Park, Michael Sammon, Eugene Mele +1
Surface plasmons, which allow extreme confinement of light, suffer from high intrinsic electronic losses. It has been shown that stimulated emission of electrons can transfer energ…