Electron-electron interactions in graphene bilayers

Abstract

We study the effect of electron-electron interactions in the quasiparticle dispersion of a graphene bilayer within the Hartree-Fock-Thomas-Fermi theory by using a four-bands model. We find that the electronic fluid can be described by a non-interacting-like dispersion but with renormalized parameters. We compare our results with recent cyclotron resonance experiments in this system.

4 pages, 5 figures

References in corpus (30)

• Electric Field Effect in Atomically Thin Carbon Films
• The electronic properties of graphene
• Landau level degeneracy and quantum Hall effect in a graphite bilayer
• Biased bilayer graphene: semiconductor with a gap tunable by electric field effect
• Unconventional quantum Hall effect and Berry's phase of 2pi in bilayer graphene
• Gate-induced insulating state in bilayer graphene devices
• Observation of Electron-Hole Puddles in Graphene Using a Scanning Single Electron Transistor
• Graphene bilayer with a twist: electronic structure
• Asymmetry gap in the electronic band structure of bilayer graphene
• Electronic states and Landau levels in graphene stacks
• Non-Fermi liquid behaviour of electrons in the half-filled honeycomb lattice (A renormalization group approach)
• Room-Temperature Superfluidity in Graphene Bilayers
• Electronic properties of bilayer and multilayer graphene
• Electronic properties of graphene multilayers
• Tight--binding description of the quasiparticle dispersion of graphite and few--layer graphene
• Pseudospin Magnetism in Graphene
• Is Graphene a Fermi Liquid?
• Coulomb Interactions and Ferromagnetism in Pure and Doped Graphene
• Electron-electron interactions and the phase diagram of a graphene bilayer
• Chirality and Correlations in Graphene
• Cyclotron resonance in bilayer graphene
• Screening, Kohn anomaly, Friedel oscillation, and RKKY interaction in bilayer graphene
• Low density ferromagnetism in biased bilayer graphene
• Impurities in a Biased Graphene Bilayer
• Graphene: A Pseudochiral Fermi Liquid
• Density dependent exchange contribution to $\partial \mu /\partial n$ in extrinsic graphene
• Fermi Liquid Theory of a Fermi Ring
• Optical properties of graphene: the Fermi liquid approach
• Electronic compressibility of a graphene bilayer
• Wigner crystallization in a single and bilayer graphene

Cited by in corpus (34)

• Electron-Electron Interactions in Graphene: Current Status and Perspectives
• Properties of Graphene: A Theoretical Perspective
• The electronic properties of bilayer graphene
• Electronic properties of a biased graphene bilayer
• Electron-electron interaction and electron-hole asymmetry in bilayer graphene
• Fermi Velocity Enhancement in Monolayer and Bilayer Graphene
• Dynamical response functions and collective modes of bilayer graphene
• Novel mid-infrared plasmonic properties of bilayer graphene
• Many-body corrections to cyclotron resonance in monolayer and bilayer graphene
• Mapping the Dirac point in gated bilayer graphene
• Dynamical screening in bilayer graphene
• Magnetoelectric coupling, Berry phase, and Landau level dispersion in a biased bilayer graphene
• Influence of interlayer asymmetry on magneto-spectroscopy of bilayer graphene
• Effective Mass in Bilayer Graphene at Low Carrier Densities: the Role of Potential Disorder and Electron-Electron Interaction
• Compressibility of bilayer graphene
• Persistent Current States in Bilayer Graphene
• Structure and the Lamb-shift-like quantum splitting of the pseudo-zero-mode Landau levels in bilayer graphene
• Renormalization and cyclotron resonance in bilayer graphene with weak electron-hole asymmetry
• External gates and transport in biased bilayer graphene
• Correlations, Plasmarons, and Quantum Spectral Function in Bilayer Graphene
• Screening in gated bilayer graphene via variational calculus
• Effect of Coulomb interaction on the gap in monolayer and bilayer graphene
• Zero and Finite Energy Dirac Points in the Energy Band Structure of Magnetic Bilayer Graphene Superlattices
• Electronic Ground State in Bilayer Graphene with Realistic Coulomb Interactions
• Bilayer graphene spectral function in RPA and self-consistent GW
• In-plane magnetoelectric response in bilayer graphene
• Heat capacity of nonequilibrium electron-hole plasma in graphene layers and graphene~bilayers
• Orbital Lamb shift and mixing of the pseudo-zero-mode Landau levels in ABC-stacked trilayer graphene
• Compressibility of Interacting Electrons in Bilayer Graphene
• Direct-exchange duality of the Coulomb interaction and collective excitations in graphene in a magnetic field
• Electron-electron interactions in non-equilibrium bilayer graphene
• Interaction-enhanced electron-hole and valley asymmetries in the lowest Landau level of ABA-stacked trilayer graphene
• Touching points in the energy band structure of bilayer graphene superlattices
• Chiral Symmetry and Many-Body Effect in Multilayer Graphene