Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Kalameitsev, A. V."'
The band structure of a monolayer MoS$_2$ comprises of spin-split subbands, owing to the mutual presence of broken inversion symmetry and strong spin-orbit coupling. In the conduction band, spin-valley coupled subbands cross each other at finite mome
Externí odkaz:
http://arxiv.org/abs/2206.11551
Acoustoelectric effect in two-dimensional Dirac materials exposed to Rayleigh surface acoustic waves
We study the acoustoelectric effect in two-dimensional materials like transition metal dichalcogenide monolayers located on a non-piezoelectric substrate and exposed to the Rayleigh surface acoustic waves. We investigate the behavior of the Hall comp
Externí odkaz:
http://arxiv.org/abs/2008.11346
Publikováno v:
Phys. Rev. B 102, 045407 (2020)
We study electron transport in two-dimensional materials with parabolic and linear (graphene) dispersions of the carriers in the presence of surface acoustic waves and an external magnetic field using semiclassical Boltzmann equations approach. We ob
Externí odkaz:
http://arxiv.org/abs/2004.13275
We report on novel valley acoustoelectric effect, which can arise in a 2D material, like a transition metal dichalcogenide monolayer, residing on a piezoelectric substrate. The essence of this effect lies in the emergence of a drag electric current (
Externí odkaz:
http://arxiv.org/abs/1906.11151
Autor:
Govorov, A. O., Kalameitsev, A. V.
We consider the optical properties of a single magnetic impurity in a self-assembled quantum dot. We show that using the resonant pumping one can address and manipulate selectively individual spin states of a magnetic impurity. The mechanisms of reso
Externí odkaz:
http://arxiv.org/abs/cond-mat/0407705
We describe theoretically the process of multi-beam reflection in a two-dimensional electron system with a lateral potential barrier. Due to spin-orbital interaction, the reflection process leads to the formation of three beams with different spin po
Externí odkaz:
http://arxiv.org/abs/cond-mat/0407126
We describe theoretically novel excitons in self-assembled quantum dots interacting with a two-dimensional electron gas in the wetting layer. In the presence of the Fermi sea, the optical lines become strongly voltage-dependent. If the electron spin
Externí odkaz:
http://arxiv.org/abs/cond-mat/0302317
Autor:
Govorov, A. O., Schulhauser, C., Haft, D., Kalameitsev, A. V., Chaplik, A., Warburton, R. J., Karrai, K., Schoenfeld, W., Garcia, J. M., Petroff, P. M.
We present both experimental and theoretical results on the influence of a magnetic field on excitons in semiconductor quantum dots. We find a pronounced difference between the strong and weak confinement regimes. For weak confinement, the excitonic
Externí odkaz:
http://arxiv.org/abs/cond-mat/0202480
A novel magnetic interference effect is proposed for a neutral, but polarizable exciton in a quantum ring with a finite width. The magnetic interference effect originates from the nonzero dipole moment in the exciton. The ground state of exciton acqu
Externí odkaz:
http://arxiv.org/abs/cond-mat/0111006
We study theoretically the magnetic field effect on a neutral, but polarizable exciton confined in quantum-ring structures. For excitons with a nonzero dipole moment, a novel magnetic interference effect occurs: The ground state of an exciton confine
Externí odkaz:
http://arxiv.org/abs/cond-mat/0111007