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Wang, W; Qin, SJ; Lu, ZY; Yu, L; Su, ZB; Wang, W , BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA.
Impurity energy level in the Haldane gap
Source PublicationPHYSICAL REVIEW B
KeywordQuantum Renormalization-groups Spin Chains Heisenberg-antiferromagnet Field
AbstractAn impurity bond J' in a periodic one-dimensional antiferromagnetic spin-1 chain with exchange J is considered. Using the numerical density matrix renormalization-group method, we find an impurity energy level in the Haldane gap, corresponding to a bound state near the impurity bond. When J'J. The impurity level appears only when the deviation dev=(J'-J)/J' is greater than B-c, which is close to 0.3 in our calculation.
1996
ISSN0163-1829
Volume53Issue:1Pages:40-43
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12673
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWang, W , BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
Wang, W,Qin, SJ,Lu, ZY,et al. Impurity energy level in the Haldane gap[J]. PHYSICAL REVIEW B,1996,53(1):40-43.
APA Wang, W,Qin, SJ,Lu, ZY,Yu, L,Su, ZB,&Wang, W , BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA..(1996).Impurity energy level in the Haldane gap.PHYSICAL REVIEW B,53(1),40-43.
MLA Wang, W,et al."Impurity energy level in the Haldane gap".PHYSICAL REVIEW B 53.1(1996):40-43.
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