669 citations
- City University of New YorkUS16 papers
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22 papers · 1 filter
Influence of Dynamical Floquet Spectrum on the Plasmon Excitations and Exchange Energy of tilted monolayer 1TMoS
Sita Kandel, Godfrey Gumbs, Antonios Balassis +2
It is now well established that a high-frequency electromagnetic dressing field within the off-resonance regime significantly modifies the electronic transport and optical properti…
Polarizability, plasmons, and screening in 1T-MoS with tilted Dirac bands
Antonios Balassis, Godfrey Gumbs, Oleksiy Roslyak
In the presence of an external vertical electric field and strain, it is evident that 1T-MoS exhibits tilted Dirac bands which are valley-spin-polarized. Additionall…
Effect of magnetic field and chemical potential on the RKKY interaction in the - lattice
Oleksiy Roslyak, Godfrey Gumbs, Antonios Balassis +1
The interaction energy for the indirect-exchange or Ruderman-Kittel-Kasuva-Yosida (RKKY) interaction between magnetic spins localized on lattice sites of the - model…
Non-equilibrium states of a plasmonic Dicke model with coherent and dissipative surface plasmon-quantum emitter interactions
Andrei Piryatinski, Oleksiy Roslyak, Hao Li +1
Hybrid photonic-plasmonic nanostructures allow one to engineer coupling of quantum emitters and cavity modes accounting for the direct coherent and environment mediated dissipative…
Magnetoplasmons for the -T model with filled Landau levels
Antonios Balassis, Dipendra Dahal, Godfrey Gumbs +3
Using the -T model, we carried out analytical and numerical calculations for the static and dynamic polarization functions in the presence of a perpendicular magnetic field.…
Combined effect of doping and temperature on the anisotropy of low-energy plasmons in monolayer graphene
Godfrey Gumbs, Antonios Balassis, V. M. Silkin
We compare the two-dimensional (2D) plasmon dispersion relations for monolayer graphene when the sample is doped with carriers in the conduction band and the temperature is zer…