Variational Path-Integral Study on Bound Polarons in Parabolic Quantum Dots and Wires
CHEN Qing-Hu, WANG Zhuang-Bing, WU Fu-Li, LUO Meng-Bo, YUAN Yong-Hong, JIAO Zheng-Kuan
Department of Physics, Zhejiang University, Hangzhou 310027
Variational Path-Integral Study on Bound Polarons in Parabolic Quantum Dots and Wires
CHEN Qing-Hu;WANG Zhuang-Bing;WU Fu-Li;LUO Meng-Bo;YUAN Yong-Hong;JIAO Zheng-Kuan
Department of Physics, Zhejiang University, Hangzhou 310027
关键词 ：
71.38.+i ,
63.20.Kr
Abstract ： The expression of the ground-state energy of the electron coupled simultaneously with a Coulomb potential and a longitudinal-optical phonon field in parabolic quantum dots and wires is derived within the framework of Feynman variational path integral theory. We obtain a general result with arbitrary electron-phonon coupling constant, Coulomb binding parameters, and confining potential strength, which could be used for further numerical calculation of polaron properties. Moreover, it is shown that all the previous path-integral formulae for free polarons, bound polarons, and polarons confined in parabolic quantum dots and wires can be recovered in the present formalism.
Key words ：
71.38.+i
63.20.Kr
出版日期: 2001-05-01
引用本文:
CHEN Qing-Hu;WANG Zhuang-Bing;WU Fu-Li;LUO Meng-Bo;YUAN Yong-Hong;JIAO Zheng-Kuan. Variational Path-Integral Study on Bound Polarons in Parabolic Quantum Dots and Wires[J]. 中国物理快报, 2001, 18(5): 668-671.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2001/V18/I5/668
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2001, Vol. 18 
