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Influences of the Temperature on the Parabolic Quantum Dot Qubit in the Magnetic Field

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Abstract

Using the variational method of the Pekar type, we study the influences of the temperature on the parabolic quantum dot qubit in the magnetic field under the condition of electric–LO-phonon strong coupling. Then we derive the numerical results and formulate the derivative relationships of the oscillation period of the electron in the superposition state of the ground state and the first-excited state with the magnetic field, the electron–LO-phonon coupling constant and the confinement length at different temperatures, respectively.

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Acknowledgments

This project was supported by the National Science Foundation of China under Grant No. 11464033.

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Authors and Affiliations

  1. Shandong Provincial Key Laboratory of Laser Polarization and Information Technology, College of Physics and Engineering, Qufu Normal University, Qufu, 273165, China

    Ying-Jie Chen

  2. College of Physics and Electronic Information, Inner Mongolia National University, Tongliao, 028043, China

    Jing-Lin Xiao

Authors
  1. Ying-Jie Chen
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  2. Jing-Lin Xiao
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Correspondence to Ying-Jie Chen.

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Chen, YJ., Xiao, JL. Influences of the Temperature on the Parabolic Quantum Dot Qubit in the Magnetic Field. J Low Temp Phys 186, 241–249 (2017). https://doi.org/10.1007/s10909-016-1688-4

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  • DOI: https://doi.org/10.1007/s10909-016-1688-4

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