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Lou, JZ; Qin, SJ![]() ![]() | |
Magnetization of the S=2 antiferromagnetic Heisenberg chain near the critical magnetic field | |
发表期刊 | PHYSICAL REVIEW B
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关键词 | Quantum Spin Chains One-dimensional Antiferromagnets Haldane-gap Antiferromagnets Bond Ground-states Renormalization-groups Bose-condensation Monte-carlo Edge States |
摘要 | Using the density-matrix renormalization-group (DMRG) technique, we carry out a large scale numerical calculation far the S=2 antiferromagnetic Heisenberg (AFH) chain. We obtain the magnetization curve of S =2 chain near the critical field. The corrections to the magnetization due to the magnon-magnon interaction are the same order for S=2 and S=1 chains. By comparing the experimental magnetization with our calculation, we find that the gap obtained experimentally is about 0.08J which is close to the accurate DMRG estimation for the S=2 AFH chain. Numerical errors in our large scale calculation are also discussed. |
2000 | |
ISSN | 0163-1829 |
卷号 | 62期号:21页码:13832-13835 |
学科领域 | Physics |
收录类别 | SCI |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.itp.ac.cn/handle/311006/12869 |
专题 | 理论物理所科研产出_SCI论文 |
通讯作者 | Lou, JZ , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China. |
推荐引用方式 GB/T 7714 | Lou, JZ,Qin, SJ,Su, ZB,et al. Magnetization of the S=2 antiferromagnetic Heisenberg chain near the critical magnetic field[J]. PHYSICAL REVIEW B,2000,62(21):13832-13835. |
APA | Lou, JZ,Qin, SJ,Su, ZB,&Lou, JZ , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2000).Magnetization of the S=2 antiferromagnetic Heisenberg chain near the critical magnetic field.PHYSICAL REVIEW B,62(21),13832-13835. |
MLA | Lou, JZ,et al."Magnetization of the S=2 antiferromagnetic Heisenberg chain near the critical magnetic field".PHYSICAL REVIEW B 62.21(2000):13832-13835. |
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