Abstract
In the present work, the influence of temperature effect on polaron in a quantum well (QW) with asymmetric Gaussian potential (AGP). By employing strongly coupling method of Pekar variational (SCMPV), the ground state (GS), the first-excited state (FES) energies and transition frequency (TF) of the polaron are derived. The state-energies and the TF as relationship of the temperature T and the electron phonon coupling strength (EPCS) are obtained by using quantum statistics theory (QST). We have found that the state-energies and the TF increase when the temperature is increasing. The states-energies and the TF are decreased with raising the EPCS.
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Thanks to the National Science Foundation of China (No.11464033).
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Liang, ZH., Miao, XJ., Sun, Y. et al. Temperature Dependence on State Energies and Transition Frequency of Polaron in a Quantum Well with Asymmetric Gaussian Potential: Strong Coupling Method. Int J Theor Phys 59, 3418–3425 (2020). https://doi.org/10.1007/s10773-020-04600-3
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DOI: https://doi.org/10.1007/s10773-020-04600-3