publication . Article . Preprint . 2017

controllable continuous evolution of electronic states in a single quantum ring

Chakraborty, Tapash; Manaselyan, Aram; Barseghyan, Manuk; Laroze, David;
Open Access
  • Published: 18 Jul 2017 Journal: Physical Review B, volume 97 (issn: 2469-9950, eissn: 2469-9969, Copyright policy)
  • Publisher: American Physical Society (APS)
Abstract
Intense terahertz laser field is shown to have a profound effect on the electronic and optical properties of quantum rings, where the isotropic and anisotropic quantum rings can now be treated on equal footing. We have demonstrated that in isotropic quantum rings the laser field creates irregular AB oscillations that are usually expected in anisotropic rings. Further, we have shown for the first time that intense laser fields can restore the {\it isotropic} physical properties in anisotropic quantum rings. In principle, all types of anisotropies (structural, effective masses, defects, etc.) can evolve as in isotropic rings, in our present approach. Most importan...
Subjects
arXiv: Mathematics::Commutative AlgebraPhysics::Optics
free text keywords: Physics, Spectral line, Anisotropy, Far-infrared laser, Isotropy, Oscillation, Quantum, Condensed matter physics, Continuous evolution, Laser, law.invention, law, Condensed Matter - Mesoscale and Nanoscale Physics
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