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- City University of New YorkUS288 papers
- The Graduate Center, CUNYUS113 papers
- American Museum of Natural HistoryUS71 papers
- Kirtland Air Force BaseUS50 papers
- Donostia International Physics CenterES44 papers
- U.S. Air Force Research Laboratory Space Vehicles Directorate33 papers
- Slovak Academy of SciencesSK29 papers
- California Institute of TechnologyUS24 papers
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8 papers · 2 filters
Plasma Excitations in Graphene: Their Spectral Intensity and Temperature Dependence in Magnetic Field
Jhao-Ying Wu, Szu-Chao Chen, Oleksiy Roslyak +2
In this paper, we calculated the dielectric function, the loss function, the magnetoplasmon dispersion relation and the temperature-induced transitions for graphene in a uniform pe…
Spin-dependent Scattering by a Potential Barrier on a Nanotube
Yonatan Abranyos, Godfrey Gumbs, Paula Fekete
The electron spin effects on the surface of a nanotube have been considered through the spin-orbit interaction (SOI), arising from the electron confinement on the surface of the na…
Single- and few-electron dynamic quantum dots in a perpendicular magnetic field
S. J. Wright, A. L. Thorn, M. D. Blumenthal +9
We present experimental studies of the current pumped through a dynamic quantum dot over a wide range of magnetic fields. At low fields we observe repeatable structure indicating i…
Formula for the Absorption Coefficient for Multi-Wall Nanotubes
Godfrey Gumbs, Antonios Balassis
We present a formalism for calculating the absorption coefficient of a pair of coaxial tubules. A spatially nonlocal, dynamical self-consistent field theory is obtained by calculat…
Model of plasmon excitations in a bundle and two-dimensional array of nanotubes
Tibab McNeish, Godfrey Gumbs, Antonios Balassis
We calculate the plasma excitations in a bundle as well as a two-dimensional (2D) periodic array of aligned parallel multishell nanotubes on a substrate. The carbon nanotubes are o…
Enhanced response of current-driven coupled quantum wells
Antonios Balassis, Godfrey Gumbs
We have investigated the conditions necessary to achieve stronger Cherenkov-like instability of plasma waves leading to emission in the terahertz (THz) regime for semiconductor qua…