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Zhao, J; Peschel, I; Wang, XQ; Zhao, J , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
Critical entanglement of XXZ Heisenberg chains with defects
Source PublicationPHYSICAL REVIEW B
KeywordEntropy
AbstractWe study the entanglement properties of anisotropic open spin one-half Heisenberg chains with a modified central bond. The entanglement entropy between the two half-chains is calculated with the density-matrix renormalization method (DMRG). We find a logarithmic behavior with an effective central charge c(') varying with the length of the system. It flows to one in the ferromagnetic region and to zero in the antiferromagnetic region of the model. In the XX case it has a nonuniversal limit and we recover previous results.
2006
ISSN1098-0121
Volume73Issue:2Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/6061
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhao, J , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhao, J,Peschel, I,Wang, XQ,et al. Critical entanglement of XXZ Heisenberg chains with defects[J]. PHYSICAL REVIEW B,2006,73(2):-.
APA Zhao, J,Peschel, I,Wang, XQ,&Zhao, J , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.(2006).Critical entanglement of XXZ Heisenberg chains with defects.PHYSICAL REVIEW B,73(2),-.
MLA Zhao, J,et al."Critical entanglement of XXZ Heisenberg chains with defects".PHYSICAL REVIEW B 73.2(2006):-.
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