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首页> 外文期刊>Physica, B. Condensed Matter >The effective mass of strong-coupling polaron in a triangular quantum well induced by the Rashba effect
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The effective mass of strong-coupling polaron in a triangular quantum well induced by the Rashba effect

机译：拉什巴效应引起的三角量子阱中强耦合极化子的有效质量

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In this paper, on the basis of Huybrechts' strong-coupling polaron model, the Tokuda modified linear-combination operator method and the unitary transformation method were used to study the properties of the strong-coupling polaron considering the influence of Rashba effect, which is brought by the spin-orbit (SO) interaction, in the semiconductor triangular quantum well (TQW). Numerical calculation on the RbCl TQW, as an example, is performed. The expressions for the effective mass of the polaron as a function of the vibration frequency, the velocity, the coupling constant and the electron areal density were derived. Numerical results show that the total effective mass of the polaron is composed of three parts. The interactions between the orbit and the spin with different directions have different effects on the effective mass of the polaron. (c) 2007 Elsevier B.V. All rights reserved.
机译：本文在休伊布赖茨强耦合极化子模型的基础上，考虑到拉什巴效应的影响，采用Tokuda改进的线性组合算子方法和transformation变换方法研究了强耦合极化子的性质。在半导体三角量子阱（TQW）中由自旋轨道（SO）相互作用带来的。以RbCl TQW为例进行数值计算。推导了极化子有效质量与振动频率，速度，耦合常数和电子面密度的函数关系式。数值结果表明，极化子的总有效质量由三部分组成。轨道与自旋之间不同方向的相互作用对极化子的有效质量有不同的影响。 （c）2007 Elsevier B.V.保留所有权利。

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