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Yuan, QS; Chen, YG; Chen, H; Zhang, YM; Yuan, QS , Tongji Univ, Pohl Inst Solid State Phys, Shanghai 200092, Peoples R China.
Bound state in a one-dimensional quantum sine-Gordon model
Source PublicationPHYSICAL REVIEW B
KeywordHaldane-gap Impurity Spectrum
AbstractThe impurity problem ina one-dimensional quantum sine-Gordon model is studied in this paper. We use an analytic self-consistent theory to derive the excitation spectrum of the global sine-Gordon model, and then to study the bound state induced by local impurity. We give the conditions where an impurity level exists within the global gap of the excitation spectrum and show the possibility of the existence of a threshold value about the model parameter.
1998
ISSN0163-1829
Volume57Issue:3Pages:1324-1327
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12365
Collection理论物理所科研产出_SCI论文
Corresponding AuthorYuan, QS , Tongji Univ, Pohl Inst Solid State Phys, Shanghai 200092, Peoples R China.
Recommended Citation
GB/T 7714
Yuan, QS,Chen, YG,Chen, H,et al. Bound state in a one-dimensional quantum sine-Gordon model[J]. PHYSICAL REVIEW B,1998,57(3):1324-1327.
APA Yuan, QS,Chen, YG,Chen, H,Zhang, YM,&Yuan, QS , Tongji Univ, Pohl Inst Solid State Phys, Shanghai 200092, Peoples R China..(1998).Bound state in a one-dimensional quantum sine-Gordon model.PHYSICAL REVIEW B,57(3),1324-1327.
MLA Yuan, QS,et al."Bound state in a one-dimensional quantum sine-Gordon model".PHYSICAL REVIEW B 57.3(1998):1324-1327.
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