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Magnetization of the S=2 antiferromagnetic Heisenberg chain near the critical magnetic field
Lou, JZ; Qin, SJ; Su, ZB; Lou, JZ , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2000
发表期刊PHYSICAL REVIEW B
ISSN0163-1829
卷号62期号:21页码:13832-13835
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.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Quantum Spin Chains One-dimensional Antiferromagnets Haldane-gap Antiferromagnets Bond Ground-states Renormalization-groups Bose-condensation Monte-carlo Edge States
学科领域Physics
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收录类别SCI
WOS记录号WOS:000165717200010
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
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1978-2010年知识产出
通讯作者Lou, JZ , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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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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