SURFACE POLARON OF INTERACTING WITH THE DEFORMATION POTENTIAL IN POLAR CRYSTALS

Zhao Cuilan; Wang Zi'an; Xiao Jinglin

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SURFACE POLARON OF INTERACTING WITH THE DEFORMATION POTENTIAL IN POLAR CRYSTALS

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- SURFACE POLARON OF INTERACTING WITH THE DEFORMATION POTENTIAL IN POLAR CRYSTALS
- Chinese Journal of Luminescence Vol. 19, Issue 1, Pages: 1-7(1998)
- 作者机构：
  
  内蒙古民族师范学院物理系, 通辽 028043
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：28 February 1998，
  
  Received：28 April 1997，
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赵翠兰, 王子安, 肖景林. 极性晶体中与形变势相互作用的表面极化子[J]. 发光学报, 1998,19(1): 1-7

Zhao Cuilan, Wang Zi'an, Xiao Jinglin. SURFACE POLARON OF INTERACTING WITH THE DEFORMATION POTENTIAL IN POLAR CRYSTALS[J]. Chinese Journal of Luminescence, 1998,19(1): 1-7
赵翠兰, 王子安, 肖景林. 极性晶体中与形变势相互作用的表面极化子[J]. 发光学报, 1998,19(1): 1-7 DOI：

Zhao Cuilan, Wang Zi'an, Xiao Jinglin. SURFACE POLARON OF INTERACTING WITH THE DEFORMATION POTENTIAL IN POLAR CRYSTALS[J]. Chinese Journal of Luminescence, 1998,19(1): 1-7 DOI：

摘要

有不少的极性晶体

电子与表面光学(SO)声子耦合强

但与表面声学(SA)声子耦合弱.研究电子与SO声子耦合强

与SA声子耦合弱的极性晶体中与形变势相互作用的表面极化子的性质.采用改进了的线性组合算符和微扰法导出了极性晶体中与形变势相互作用的表面极化子的有效哈密顿量.在计及电子在反冲效应中发射和吸收不同波矢的声子之间的相互作用时

讨论对表面极化子的有效哈密顿量、有效质量和有效相互作用势的影响.

Abstract

There are a weak surface acoustic coupling but a strong surface optical coupling between the electron and phonon for many polar crystals.In this paper

the properties of the surface polaron of interacting with the deformation potential in polar crystals

which has a weak coupling with surface acoustic phonon and a strong coupling with surface optical phonons

are studied.An effective Hamiltonian of surface polaron of interacting with the deformation potential in polar crystals is derived by using improved linear combination operator and perturbation method.If we consider the interaction between phonons of different wave vectors in the recoil process

the influence on the effective Hamiltonian

the effective mass and the effective interaction potential of the surface polaron of interacting with the deformation potential in polar crystals are discussed.

关键词

形变势表面极化子有效哈密顿量

Keywords

deformation potentialsurface polaroneffective Hamiltonian

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