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Gauge fields in graphene
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 …
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
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 …
coupled two band model with a particle-hole symmetric spectrum is considered. As concrete …
Multiple magnetic barriers in graphene
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 …
magnetic fields. We consider two types of one-dimensional magnetic profiles, uniform in one …
Strain modulated superlattices in graphene
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 …
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
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 …
quantum systems. However, tuning the energy spectrum of a quantum system via Berry …
Fabry-Pérot resonances in graphene microstructures: Influence of a magnetic field
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 …
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
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 …
inhomogeneous magnetic fields, as long as the formed magnetic quantum dot (or ring) is of …
Dirac electron in graphene under supersymmetry generated magnetic fields
We use supersymmetry transformations to obtain new one parameter family of
inhomogeneous magnetic fields $\mathbf {B}=\widetilde {\mathcal {B}}(x,\lambda)\hat {e} _z …
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
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 …
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
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 …
inhomogeneous magnetic field can be mapped into that of graphene under an electric field …