Abstract
The properties of the first excited state of a magnetopolaron in a patabolic quantum dot (PQD) are studied with the Lee-Low-Pines unitary transformation (LLPUT) and variational method of Pekar-type (VMPT). We find that the external magnetic field and the motion of the electron can trigger the Rashba effect in the first excited state and they play a virtual role in determining properties of the magnetopolaron in the parabolic PQD system. Furthermore, our results indicate the Rashba spin-orbit coupling(RSOC), confined potential, electron-phonon coupling, magnetic field and phonon wave vector promote a variation of the first excited state energy (FESE). In addition, the rule that the first excited state energy changes with one of four factors is not affected by the RSOC.
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This work is supported by the National Natural Science Foundation of China under Grants No. 11575100 and No. 11975011.
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Chen, YJ., Cui, CF., Liu, WF. et al. Influences of Rashba Spin-Orbit Coupling on First Excited State of Magnetopolaron in Parobolic Quantum Dot. Int J Theor Phys 59, 1829–1837 (2020). https://doi.org/10.1007/s10773-020-04449-6
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DOI: https://doi.org/10.1007/s10773-020-04449-6