Quasi-stationary states of electrons and holes in an open composite cylindrical quantum wire

被引：0

作者：

N. V. Tkach

V. A. Golovatskii

机构：

[1] Chernovtsy State University,

来源：

Physics of the Solid State | 2001年 / 43卷

关键词：

Spectroscopy; State Physics; Geometric Parameter; Resonance State; Quantum Wire;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The energies of the quasi-stationary states of electrons and holes in an open composite cylindrical quantum wire are calculated within the effective-mass approximation by means of the S-matrix theory. Specific calculation is carried out for the HgS/CdS/HgS system. The poles of the S matrix in the complex energy plane are studied. The dependences of the lifetimes of quasiparticles in quasi-stationary resonance states on the longitudinal quasi-momentum and geometric parameters of the nanosystem are obtained. It is shown that the quasiparticle lifetimes in the resonance states exponentially diminish as the longitudinal quasi-momentum increases.

引用

页码：365 / 372

页数：7

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