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题名: PROPAGATION OF QUASI-PARTICLES ON A DIMERIZED CHAIN
作者: YAN, WX ;  LI, DM ;  LIU, WS ;  ZHAO, XG
刊名: PHYSICA B
出版日期: 1995
卷号: 212, 期号:4, 页码:404-410
关键词: LINEAR-CHAIN ;  ONE IMPURITY ;  COHERENT MOTION ;  EXCITONS ;  FIELD
学科分类: Physics
部门归属: SHANGXI UNIV,DEPT PHYS,TAIYUAN 030006,PEOPLES R CHINA; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
英文摘要: The problem of propagation for quasiparticles on a dimerized chain which is modeled by alternating site energies and intersite interactions is investigated. Exact solutions for the propagators, the mean polarization and mean-square displacement are obtained, from which the role of the site-energy mismatch and hopping disturbance on the behavior of the moving particle can be clearly seen. It is demonstrated that the increase of the site-energy mismatch and the hopping disturbance will lead to the enhancement of the localization.
收录类别: SCI
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11709
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
YAN, WX,LI, DM,LIU, WS,et al. PROPAGATION OF QUASI-PARTICLES ON A DIMERIZED CHAIN[J]. PHYSICA B,1995,212(4):404-410.
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