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Effects of temperature and magnetic field on the ground state binding energy of the strong coupling magneto-polaron in an RbCl asymmetrical semi-exponential quantum well

Institute of Condensed Matter Physics, Inner Mongolia University for the Nationalities, Tongliao 028043, P. R. China

School of Physics and Physical Engineering, Shandong Provincial Key Laboratory of Laser Polarization and Information Technology, Qufu Normal University, Qufu 273165, P. R. China

E-mail Address: sdchenyingjie@126.com

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Jing-Lin Xiao

Institute of Condensed Matter Physics, Inner Mongolia University for the Nationalities, Tongliao 028043, P. R. China

E-mail Address: xiaojlin@126.com

Corresponding authors.

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https://doi.org/10.1142/S0217979219502394Cited by:6 (Source: Crossref)

Abstract

The ground state binding energy (E $_{b}$ ) and the mean number of LO phonons (N) of the strong-coupling magneto-polaron (SCMP) in an asymmetrical semi-exponential quantum well (ASEQW) are studied theoretically. Temperature (T) effects on E $_{b}$ and N are acquired with the quantum statistics theory (QST). By using the Lee-Low-Pines unitary transformation (LLPUT) and linear combination operation method (LCOM), the variations of E $_{b}$ and N with T and $ω_{c}$ of magnetic field are discussed. The investigated results indicate that both T and $ω_{c}$ have great influence on E $_{b}$ and N of LO phonons.

Keywords:

PACS: 71.38.−k, 73.21.la, 63.20.kd

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