Journal of Contemporary Physics (Armenian Academy of Sciences)

, Volume 45, Issue 3, pp 126–131

Magnetoexcitonic states in a quantum ring with the Winternitz-Smorodinsky confinement potential


  • A. K. Atayan
    • Institute of Radiophysics and ElectronicsNAS of Armenia
  • E. M. Kazaryan
    • Russian-Armenian (Slavonic) State University
  • A. V. Meliksetyan
    • Yerevan State University
  • H. A. Sarkisyan
    • Russian-Armenian (Slavonic) State University
    • Yerevan State University

DOI: 10.3103/S1068337210030059

Cite this article as:
Atayan, A.K., Kazaryan, E.M., Meliksetyan, A.V. et al. J. Contemp. Phys. (2010) 45: 126. doi:10.3103/S1068337210030059


We investigate magnetoexcitonic states in the Ga1−x1Alx1As/GaAs/Ga1−x2Alx2 As quantum ring with the Winternitz-Smorodinsky confinement potential. A homogeneous magnetic field is directed perpendicularly to the ring plane. The Coulomb interaction between the electron and hole is assumed as weak and is considered in the framework of perturbation theory. Obtained results show that the more realistic Winternitz-Smorodinsky confinement potential, which takes into account a peculiar smoothing of the confinement potential profile, leads to raising of the electron energy levels as compared to the case of a finite-height rectangular confinement potential.

Key words

quantum ringmagnetoexcitonic statesconfinement potentialCoulomb interaction

Copyright information

© Allerton Press, Inc. 2010