| 量子阱中极化子的速率对声子平均数的影响 |
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| 引用本文： | 张剑锋,单淑萍.量子阱中极化子的速率对声子平均数的影响[J].漳州师院学报,2014(4):41-46. |
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| 作者姓名： | 张剑锋 单淑萍 |
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| 作者单位： | 龙岩学院物理与机电工程学院,福建龙岩364012 |
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| 摘 要： | 采用Tokuda改进的线性组合算符法和幺正变换法，研究了量子阱中极化子的性质．导出了量子阱中极化子的声子平均数与速率的关系．数值计算结果表明：量子阱中强弱耦合极化子的声子平均数均随极化子的速率的增加而增加．
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| 关 键 词： | 速率 平均声子数 改进的线性组合算符法 幺正变换法 |
Influence of the Polaron Velocity on the Mean Number Phonons in Quantum Well |
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| ZHANG Jian-feng,SHAN Shu-ping.Influence of the Polaron Velocity on the Mean Number Phonons in Quantum Well[J].Journal of ZhangZhou Teachers College(Philosophy & Social Sciences),2014(4):41-46. |
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| Authors: | ZHANG Jian-feng SHAN Shu-ping |
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| Institution: | (College of Physics and Electromechanic, Longyan University, Longyan, Fujian 364012, China) |
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| Abstract: | The velocity and the mean number phonons of the polaron in a quantum well were calculated by using Tokuda＇s improved linear combination operator and unitary transformation method. The results indicated that the mean number phonons of the strong - and weak - coupling polaron would increase with the increase of the velocity of polaron. |
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| Keywords: | velocity mean number phonons improved linear combination operator unitary transformation method |
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