Gauge fields in graphene

MAH Vozmediano, MI Katsnelson, F Guinea - Physics Reports, 2010‏ - Elsevier
The physics of graphene is acting as a bridge between quantum field theory and condensed
matter physics due to the special quality of the graphene quasiparticles behaving as …

Topological Berry phase and semiclassical quantization of cyclotron orbits for two dimensional electrons in coupled band models

JN Fuchs, F Piéchon, MO Goerbig… - The European Physical …, 2010‏ - Springer
The semiclassical quantization of cyclotron orbits for two-dimensional Bloch electrons in a
coupled two band model with a particle-hole symmetric spectrum is considered. As concrete …

Multiple magnetic barriers in graphene

L Dell'Anna, A De Martino - Physical Review B—Condensed Matter and …, 2009‏ - APS
We study the behavior of charge carriers in graphene in inhomogeneous perpendicular
magnetic fields. We consider two types of one-dimensional magnetic profiles, uniform in one …

Strain modulated superlattices in graphene

R Banerjee, VH Nguyen, T Granzier-Nakajima… - Nano …, 2020‏ - ACS Publications
Numerous theoretically proposed devices and novel phenomena have sought to take
advantage of the intense pseudogauge fields that can arise in strained graphene. Many of …

Realizing valley-polarized energy spectra in bilayer graphene quantum dots via continuously tunable Berry phases

YN Ren, Q Cheng, QF Sun, L He - Physical Review Letters, 2022‏ - APS
The Berry phase plays an important role in determining many physical properties of
quantum systems. However, tuning the energy spectrum of a quantum system via Berry …

Fabry-Pérot resonances in graphene microstructures: Influence of a magnetic field

M Ramezani Masir, P Vasilopoulos, FM Peeters - Physical Review B …, 2010‏ - APS
Fabry-Pérot resonances in the transmission through single and double, graphene-based
barriers (of height V) and wells are investigated and their dependence on an applied …

Massless Dirac fermions in two dimensions: Confinement in nonuniform magnetic fields

CA Downing, ME Portnoi - Physical Review B, 2016‏ - APS
We show how it is possible to trap two-dimensional massless Dirac fermions in spatially
inhomogeneous magnetic fields, as long as the formed magnetic quantum dot (or ring) is of …

Dirac electron in graphene under supersymmetry generated magnetic fields

B Midya, DJ Fernández - arxiv preprint arxiv:1402.4584, 2014‏ - arxiv.org
We use supersymmetry transformations to obtain new one parameter family of
inhomogeneous magnetic fields $\mathbf {B}=\widetilde {\mathcal {B}}(x,\lambda)\hat {e} _z …

Electron transport and Goos–Hänchen shift in graphene with electric and magnetic barriers: optical analogy and band structure

M Sharma, S Ghosh - Journal of physics: condensed matter, 2011‏ - iopscience.iop.org
Transport of massless Dirac fermions in graphene monolayers is analysed in the presence
of a combination of singular magnetic barriers and applied electrostatic potential. Extending …

Graphene Dirac fermions in one-dimensional inhomogeneous field profiles: Transforming magnetic to electric field

LZ Tan, CH Park, SG Louie - Physical Review B—Condensed Matter and …, 2010‏ - APS
We show that the low-energy electronic structure of graphene under a one-dimensional
inhomogeneous magnetic field can be mapped into that of graphene under an electric field …