Modeling of confinement potential for cylindrical quantum dot

被引：2
|
作者：
Hayrapetyan, D. B. [1 ]
Kotanjyan, T. V. [1 ]
Tevosyan, H. Kh. [1 ]
机构：
[1] Russian Armenian Slavon Univ, Yerevan, Armenia
来源：
JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES | 2014年 / 49卷 / 06期
关键词：
cylindrical quantum dot; confinement potential; ELECTRON-ELECTRON INTERACTION; INTERBAND LIGHT-ABSORPTION; SYSTEMS; STATES;
D O I：
10.3103/S106833721406005X
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Quantum states and energy levels of an electron in a cylindrical quantum dot with different models of confinement potentials are studied. Two models of confinement potentials, Morse potential and modified Poschl-Teller potential, are considered. It is shown that due to distinction between symmetric and asymmetric nature of potentials, there is a fundamental difference in behavior of the ground levels of charge carriers in these potentials. At small values of the width of Morse potential, quantum emission of electron occurs which is not observed in case of the modified Poschl-Teller potential.
引用
收藏
页码：272 / 276
页数：5
相关论文
共 50 条
  • [1] Modeling of confinement potential for cylindrical quantum dot
    D. B. Hayrapetyan
    T. V. Kotanjyan
    H. Kh. Tevosyan
    Journal of Contemporary Physics (Armenian Academy of Sciences), 2014, 49 : 272 - 276
  • [2] Lateral electric field effects on quantum size confinement in cylindrical quantum dot under parabolic potential
    Safwan, S. A.
    Asmaa, A. S.
    El Meshed, Nagwa
    Hekmat, M. H.
    El-Sherbini, TH. M.
    Allam, S. H.
    SUPERLATTICES AND MICROSTRUCTURES, 2010, 47 (05) : 606 - 614
  • [3] Exciton-phonon properties in cylindrical quantum dot with parabolic confinement potential under electric field
    Mommadi, O.
    El Moussaouy, A.
    Chnafi, M.
    El Hadi, M.
    Nougaoui, A.
    Magrez, H.
    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2020, 118 (118):
  • [4] MAGNETOPOLARON IN A CYLINDRICAL QUANTUM DOT
    Tchoffo, M.
    Fai, L. C.
    Issofa, N.
    Kenfack, S. C.
    Diffo, J. T.
    Mody, Ashok
    INTERNATIONAL JOURNAL OF NANOSCIENCE, 2009, 8 (4-5) : 455 - 463
  • [5] Nonlinear Optical Properties of Cylindrical Quantum Dot with Kratzer Confining Potential
    Baghdasaryan, D. A.
    Hakobyan, E. S.
    Hayrapetyan, D. B.
    Sarkisyan, H. A.
    Kazaryan, E. M.
    JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES, 2019, 54 (01) : 46 - 56
  • [6] Intraband absorption of GaAs cylindrical quantum dot with Kratzer confinement potential in the presence of external electric and magnetic fields
    Kharatyan, Gor Ts.
    Hakobyan, Eduard S.
    QUANTUM OPTICS AND PHOTON COUNTING 2023, 2023, 12570
  • [7] Impurity with two electrons in the spherical quantum dot with finite confinement potential
    Baghdasaryan, D. A.
    Ghaltaghchyan, H. Ts
    Kazaryan, E. M.
    Sarkisyan, H. A.
    3RD INTERNATIONAL SYMPOSIUM "OPTICS AND ITS APPLICATIONS", 2016, 673
  • [8] Effects of hydrostatic pressure on the donor impurity in a cylindrical quantum dot with Morse confining potential
    Hayrapetyan, David B.
    Kotanjyan, Tigran V.
    Tevosyan, Hovhannes Kh.
    Kazaryan, Eduard M.
    RADIATION EFFECTS AND DEFECTS IN SOLIDS, 2016, 171 (11-12): : 916 - 924
  • [9] Nonlinear Optical Properties of Cylindrical Quantum Dot with Kratzer Confining Potential
    D. A. Baghdasaryan
    E. S. Hakobyan
    D. B. Hayrapetyan
    H. A. Sarkisyan
    E. M. Kazaryan
    Journal of Contemporary Physics (Armenian Academy of Sciences), 2019, 54 : 46 - 56
  • [10] Calculation of Biexiton Binding Energy in a Cylindrical Quantum Dot with a Mors Potential
    Kharatyan, G. Ts
    Gevorkyan, G. S.
    Mantashyan, P. A.
    JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES, 2021, 56 (03) : 214 - 220
12345