Abstract
Temperature effect on the first excited state energy and average phonon number of the bound magnetopolarons in monolayer graphene are studied by using the Lee-Low-Pine variational method and linear combination operators. It is shown that the average number of the optical phonons and first excited state are obviously influenced by the temperature and magnetic field. The first excited state energy of the bound magnetopolaron depends on the temperature, homogeneous magnetic field, Debye cut-off wave-number and confinement bound parameter. Moreover, we find that the temperature effect on the first excited state energy can be modulated by Coulomb interaction.
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This project was supported by the National Science Foundation of China under Grant No. 11464033.
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Ding, ZH., Gen, YB., Jia, CH. et al. Temperature Effect on the First Excited State Energy and Average Phonon Number of Bound Magnetopolarons in Monolayer Graphene. J. Electron. Mater. 48, 4997–5002 (2019). https://doi.org/10.1007/s11664-019-07294-4
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DOI: https://doi.org/10.1007/s11664-019-07294-4