INFLUENCE OF THE PARABOLIC POTENTIAL ON THE INTERACTION OF ELECTRON-CONFINED PHONONS IN A QUANTUM-WIRE

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	INFLUENCE OF THE PARABOLIC POTENTIAL ON THE INTERACTION OF ELECTRON-CONFINED PHONONS IN A QUANTUM-WIRE
	W. S. Li; S. W. Gu; T. C. Auyeung; Y. Y. Yeung
	1993
发表期刊	Communications in Theoretical Physics
ISSN	0253-6102
卷号	19 期号:3 页码:265-274
摘要	The Lee, Low and Pines' variational method is employed to study the interaction of electron-confined phonons within a rectangular quantum wire under an additional parabolic potential. Detailed mathematical derivation is carried out to obtain some formulae for the polaron self-energy, the electron effective mass along the wire and the ground state energy. Using the idea of Fourier decomposition of wavefunctions, numerical calculations are performed for a typical GaAs quantum wire within the mesoscopic size. Our present results show that the effect of phonon confinement always reduces the magnitude of the electron-phonon interaction and the associated physical quantities whereas the additional parabolic potential tends to enhance both the electron-phonon interaction and the ground state energy. Comparing with previous calculations, our results also reveal the trends of those interesting physical quantities.
部门归属	ccast,world lab,beijing 100080,peoples r china. acad sinica,int ctr mat phys,shenyang 110015,peoples r china. shanghai jiao tong univ,inst condensed matter phys,shanghai 200030,peoples r china. hong kong polytech,dept appl math,hong kong,hong kong. hong kong polytech,dept appl phys,hong kong,hong kong.;li, ws (reprint author), hong kong polytech,dept electr engn,hong kong,hong kong
关键词	Optical Polaron Well Localization Gas
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/39061
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	W. S. Li,S. W. Gu,T. C. Auyeung,et al. INFLUENCE OF THE PARABOLIC POTENTIAL ON THE INTERACTION OF ELECTRON-CONFINED PHONONS IN A QUANTUM-WIRE[J]. Communications in Theoretical Physics,1993,19(3):265-274.
APA	W. S. Li,S. W. Gu,T. C. Auyeung,&Y. Y. Yeung.(1993).INFLUENCE OF THE PARABOLIC POTENTIAL ON THE INTERACTION OF ELECTRON-CONFINED PHONONS IN A QUANTUM-WIRE.Communications in Theoretical Physics,19(3),265-274.
MLA	W. S. Li,et al."INFLUENCE OF THE PARABOLIC POTENTIAL ON THE INTERACTION OF ELECTRON-CONFINED PHONONS IN A QUANTUM-WIRE".Communications in Theoretical Physics 19.3(1993):265-274.