Temperature and hydrogen-like impurity effects on the excited state of the strong coupling bound polaron in a CsI quantum pseudodot

doi:10.1088/1674-1056/26/2/027104

Abstract

With hydrogen-like impurity (HLI) located in the center of CsI quantum pseudodot (QPD) and by using the variational method of Pekar type (VMPT), we investigate the first-excited state energy (FESE), excitation energy and transition frequency of the strongly-coupled bound polaron in the present paper. Temperature effects on bound polaron properties are calculated by employing the quantum statistical theory (QST). According to the present work's numerical results, the FESE, excitation energy and transition frequency decay (amplify) with raising temperature in the regime of lower (higher) temperature. They are decreasing functions of Coulomb impurity potential strength.

Keywords: temperature effect bound polaron CsI quantum pseudodot quantum statistical theory excited state

Received: 16 September 2016
Revised: 17 November 2016
Accepted manuscript online:

PACS:	71.38.-k	(Polarons and electron-phonon interactions)
	73.21.La	(Quantum dots)
	63.20.kd	(Phonon-electron interactions)

Fund:

Project supported by the National Natural Science Foundation of China (Grant No. 11464033).

Corresponding Authors: Jing-Lin Xiao
E-mail: xiaojlin@126.com

Cite this article:

Jing-Lin Xiao(肖景林) Temperature and hydrogen-like impurity effects on the excited state of the strong coupling bound polaron in a CsI quantum pseudodot 2017 Chin. Phys. B 26 027104

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Temperature and hydrogen-like impurity effects on the excited state of the strong coupling bound polaron in a CsI quantum pseudodot

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