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Influence of Temperature and Magnetic Field on the First Excited State of a Quantum Pseudodot

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Abstract

Investigations on the properties of excited states of complex quantum systems can not only reveal the internal structure and properties of the system but also verify the accuracy of quantum theory. In the case of strong electron–longitudinal optical phonon coupling in a quantum pseudodot with an external magnetic field, the first excited state and transition frequency can be obtained by using the Pekar variational method and quantum statistics theory. Numerical calculations for CsI crystal show that (1) they are increasing functions of the magnetic field, and (2) they will first decrease and then increase as the temperature is increased from a low value.

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Authors and Affiliations

  1. Institute of Condensed Matter Physics, Inner Mongolia University for Nationalities, Tongliao, 028043, China

    Chun-Yu Cai, Cui-Lan Zhao & Jing-Lin Xiao

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  1. Chun-Yu Cai
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  2. Cui-Lan Zhao
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  3. Jing-Lin Xiao
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Correspondence to Jing-Lin Xiao.

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Cai, CY., Zhao, CL. & Xiao, JL. Influence of Temperature and Magnetic Field on the First Excited State of a Quantum Pseudodot. J. Electron. Mater. 46, 971–973 (2017). https://doi.org/10.1007/s11664-016-5051-y

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  • DOI: https://doi.org/10.1007/s11664-016-5051-y

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