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Zhao, XG; Zhao, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
Mean polarizations and mean-square displacements in a chain with alternating site energies or intersite interactions
Source PublicationPHYSICA SCRIPTA
KeywordLinear-chain One Impurity Motion
AbstractThe quantum coherent motion of excitons (quasiparticles) in a chain with alternating site energies (model A) or intersite interactions (model B) is studied analytically. Exact solutions for the mean polarizations and the mean-square displacements for both systems are obtained explicitly, from which an inherent symmetry between the two models is revealed. It is found that the effects of the site-energy mismatch and the hopping disturbance to the diffusing behavior of the moving quasiparticles are almost identical. Similarities and differences for the two models are manifested in these analyses.
1997
ISSN0281-1847
Volume55Issue:2Pages:253-256
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12512
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhao, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
Zhao, XG,Zhao, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.. Mean polarizations and mean-square displacements in a chain with alternating site energies or intersite interactions[J]. PHYSICA SCRIPTA,1997,55(2):253-256.
APA Zhao, XG,&Zhao, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1997).Mean polarizations and mean-square displacements in a chain with alternating site energies or intersite interactions.PHYSICA SCRIPTA,55(2),253-256.
MLA Zhao, XG,et al."Mean polarizations and mean-square displacements in a chain with alternating site energies or intersite interactions".PHYSICA SCRIPTA 55.2(1997):253-256.
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