Magnetic Field Effect on the Property of the Weak-coupling Bound Polaron in Quantum Well

CHEN Wei-li; XIAO Jing-lin

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Magnetic Field Effect on the Property of the Weak-coupling Bound Polaron in Quantum Well

更新时间：2020-08-11

- Magnetic Field Effect on the Property of the Weak-coupling Bound Polaron in Quantum Well
- Chinese Journal of Luminescence Vol. 28, Issue 2, Pages: 143-148(2007)
- 作者机构：
  
  1. 内蒙古科技大学理学院,内蒙古包头,014010
  2. 内蒙古民族大学物理与机电学院,内蒙古通辽,028043
- 作者简介：
- 基金信息：
- DOI：
  CLC： O469;O482.3
- Received：25 May 2006，
  
  Revised：15 November 2006，
  
  Published：20 March 2007
- 稿件说明：
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陈伟丽, 肖景林. 磁场对量子阱中弱耦合束缚极化子性质的影响[J]. 发光学报, 2007,28(2): 143-148

CHEN Wei-li, XIAO Jing-lin. Magnetic Field Effect on the Property of the Weak-coupling Bound Polaron in Quantum Well[J]. Chinese Journal of Luminescence, 2007,28(2): 143-148
陈伟丽, 肖景林. 磁场对量子阱中弱耦合束缚极化子性质的影响[J]. 发光学报, 2007,28(2): 143-148 DOI：

CHEN Wei-li, XIAO Jing-lin. Magnetic Field Effect on the Property of the Weak-coupling Bound Polaron in Quantum Well[J]. Chinese Journal of Luminescence, 2007,28(2): 143-148 DOI：

摘要

采用线性组合算符及幺正变换方法研究了磁场对量子阱中弱耦合束缚极化子的性质的影响。导出了量子阱中束缚极化子的基态能量与振动频率、库仑束缚势、磁场和阱宽之间的变化关系。同时也讨论了振动频率与库仑束缚势、磁场之间的变化关系。通过数值计算结果表明:量子阱中束缚极化子的基态能量因振动频率、库仑束缚势、磁场和阱宽的不同而不同

它随振动频率和磁场的增加而增大

随库仑束缚势和阱宽的增大而减小。量子阱中束缚磁极化子的基态能量与振动频率无关

随库仑束缚势和阱宽的增大而减小

随磁场的增大而增大。

Abstract

The properties of the weak-coupling bound polaron in quantum well are studied using the linear combination operator and the unitary transformation method. The relations of the ground-state energy of the bound polaron in quantum well with the Coulomb bound potential

the vibration frequency

magnetic field and the well-width are derived. At the same time

the dependency of the vibration frequency on the Coulomb bound potential and magnetic field is discussed. The results of numerical calculation show that the ground-state energy changes with the Coulomb bound potential

magnetic field and the well-width

which will increase with increasing magnetic field and decrease with increasing the Coulomb bound potential and the well-width. The vibration frequency will increase with increasing the Coulomb bound potential and magnetic field.

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