Acta Physica Sinica, Volume. 69, Issue 14, 147802-1(2020)

Magnetopolaron-state lifetime and qubit decoherence in donor-center quantum dots with the electromagnetic field

Xu-Fang Bai1, Lei Chen2、*, and Eerdunchaolu 2
Author Affiliations
  • 1College of Physics and Electronic Information, Inner Mongolia University for Nationalities, Tongliao 028043, China
  • 2Institute of Condensed Matter Physics, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China
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    Figures & Tables(14)
    Asymmetric Gaussian (AG) potential curve.
    Mean number of LO phonons as a function of the temperature parameter at different electron-phonon coupling (EPC) constant .
    Ground state energy of the magnetopolaron and its components versus the well width of the AG potential.
    Energy gap as a function of the well width at different well depth of the AG potential.
    Energy gap versus the well width of the AG potential under different dielectric constant (DC) ratio .
    Energy gap as a function of the well depth of the AG potential at different EPC constant .
    Energy gap versus the well depth of the AG potential under different electric field .
    Energy gap as a function of the range of the parabolic potential at different magnetic-field cyclotron (MFC) frequency .
    The ground-state lifetime of the magntopolaron as a function of the well width at different well depth of the AG potential.
    The ground-state lifetime as a function of the well width of the AG potential at different EPC constant .
    The ground-state lifetime as a function of the well width of the AG potential at different temperature parameter .
    The ground-state lifetime as a function of the range of the parabolic potential at different DC ratio
    The ground-state lifetime versus the well depth of the AG potential under different MFC frequencies
    The ground-state lifetime as a function of the range of the parabolic potential at different electric field .
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    Xu-Fang Bai, Lei Chen, Eerdunchaolu . Magnetopolaron-state lifetime and qubit decoherence in donor-center quantum dots with the electromagnetic field[J]. Acta Physica Sinica, 2020, 69(14): 147802-1

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    Paper Information

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    Received: Feb. 19, 2020

    Accepted: --

    Published Online: Dec. 28, 2020

    The Author Email:

    DOI:10.7498/aps.69.20200242

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