MAGNETIC-FIELD AND TEMPERATURE-DEPENDENCE OF THE SELF-TRAPPING ENERGY OF A POLARON IN A POLAR-CRYSTAL SLAB IN ARBITRARY MAGNETIC-FIELD STRENGTH

被引：18
|
作者：
WEI, BH
ZHAO, XJ
GU, SW
机构：
[1] NEIMENGGU UNIV,DEPT PHYS,NEIMENGGU ZIZHIQU,PEOPLES R CHINA
[2] CHINESE CTR ADV SCI & TECHNOL,CTR THEORET PHYS,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
[3] ACAD SINICA,INFRARED PHYS LAB,SHANGHAI 200030,PEOPLES R CHINA
来源：
PHYSICAL REVIEW B | 1990年 / 41卷 / 03期
关键词：
D O I：
10.1103/PhysRevB.41.1368
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Taking into account the interaction of an electron with both bulk longitudinal-optical (BO) and surface longitudinal-optical (SO) phonons, we study the self-trapping energy of a magnetopolaron in a polar-crystal slab as a function of magnetic field and finite temperature, by using the generalized Larsen perturbation-theory method. The temperature dependence of the self-trapping energies EBO and ESO are found to be strongly dependent upon the strength of the magnetic field. The results also show that the self-trapping energy ESO, as well as the self-trapping energy EBO, plays an important role. However for thin slabs, ESO plays the main role. © 1990 The American Physical Society.
引用
收藏
页码：1368 / 1375
页数：8
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