Magnetoplasmons for the α-T3 model with filled Landau levels

A Balassis, D Dahal, G Gumbs, A Iurov… - Journal of Physics …, 2020 - iopscience.iop.org
Using the α-T 3 model, we carried out analytical and numerical calculations for the static and
dynamic polarization functions in the presence of a perpendicular magnetic field. The model …

Polarizability, plasmons, and screening in 1T′-MoS2 with tilted Dirac bands

A Balassis, G Gumbs, O Roslyak - Physics Letters A, 2022 - Elsevier
In the presence of an external vertical electric field and strain, it is evident that 1T′-MoS 2
exhibits tilted Dirac bands which are valley-spin-polarized. Additionally, this material …

Magneto-optical properties of gapped-graphene

LTN Tu, NPQ Anh, NN Hieu, HV Phuc - Physica E: Low-dimensional …, 2022 - Elsevier
We theoretically study the optical properties of single-layer graphene placed on hexagonal
boron nitride in the presence of a magnetic field. Analytical expressions for the longitudinal χ …

Many-body effects of Coulomb interaction on Landau levels in graphene

AA Sokolik, AD Zabolotskiy, YE Lozovik - Physical Review B, 2017 - APS
In strong magnetic fields, massless electrons in graphene populate relativistic Landau levels
with the square-root dependence of each level energy on its number and magnetic field …

Adatom do**-enriched geometric and electronic properties of pristine graphene: a method to modify the band gap

NT Thuy Tran, D Dahal, G Gumbs, MF Lin - Structural Chemistry, 2017 - Springer
We have investigated the way in which the concentration and distribution of adatoms affect
the geometric and electronic properties of graphene. Our calculations were based on the …

Many-body renormalization of Landau levels in graphene due to screened Coulomb interaction

AA Sokolik, YE Lozovik - Physical Review B, 2018 - APS
Renormalization of Landau level energies in graphene in strong magnetic field due to
Coulomb interaction is studied theoretically, and calculations are compared with two …

Many-body filling factor dependent renormalization of Fermi velocity in graphene in strong magnetic field

AA Sokolik, YE Lozovik - Physical Review B, 2019 - APS
We present the theory of many-body corrections to cyclotron transition energies in graphene
in strong magnetic field due to Coulomb interaction, considered in terms of the renormalized …

[HTML][HTML] Plasmon Dam** Rates in Coulomb-Coupled 2D Layers in a Heterostructure

D Dahal, G Gumbs, A Iurov, CS Ting - Materials, 2022 - mdpi.com
The Coulomb excitations of charge density oscillation are calculated for a double-layer
heterostructure. Specifically, we consider two-dimensional (2D) layers of silicene and …

[PDF][PDF] Plasmon Dam** Rates in Coulomb-Coupled 2D Layers in a Heterostructure. Materials 2022, 15, 7964

D Dahal, G Gumbs, A Iurov, CS Ting - 2022 - academia.edu
The Coulomb excitations of charge density oscillation are calculated for a double-layer
heterostructure. Specifically, we consider two-dimensional (2D) layers of silicene and …

Coulomb Excitation and Transport Properties of Monolayer Graphene and the α-T3 Lattice

D Dahal - 2019 - search.proquest.com
In the past few years, I focused my attention in the study of 2D material's behavior,
specifically graphene. We investigated several properties of graphene like transmission of …