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题名: Magnetization of the S=2 antiferromagnetic Heisenberg chain near the critical magnetic field
作者: Lou, JZ ;  Qin, SJ ;  Su, ZB
刊名: PHYSICAL REVIEW B
出版日期: 2000
卷号: 62, 期号:21, 页码:13832-13835
关键词: QUANTUM SPIN CHAINS ;  ONE-DIMENSIONAL ANTIFERROMAGNETS ;  HALDANE-GAP ANTIFERROMAGNETS ;  BOND GROUND-STATES ;  RENORMALIZATION-GROUPS ;  BOSE-CONDENSATION ;  MONTE-CARLO ;  EDGE STATES
学科分类: Physics
通讯作者: Lou, JZ , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000165717200010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12869
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Lou, JZ,Qin, SJ,Su, ZB. Magnetization of the S=2 antiferromagnetic Heisenberg chain near the critical magnetic field[J]. PHYSICAL REVIEW B,2000,62(21):13832-13835.
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