Magnetization of the S=2 antiferromagnetic Heisenberg chain near the critical magnetic field

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	Lou, JZ; Qin, SJ; Su, ZB; Lou, JZ , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
	Magnetization of the S=2 antiferromagnetic Heisenberg chain near the critical magnetic field
Source Publication	PHYSICAL REVIEW B
Keyword	Quantum Spin Chains One-dimensional Antiferromagnets Haldane-gap Antiferromagnets Bond Ground-states Renormalization-groups Bose-condensation Monte-carlo Edge States
Abstract	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
Volume	62 Issue:21 Pages:13832-13835
Subject Area	Physics
Indexed By	SCI
Citation statistics	Cited Times:7[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.itp.ac.cn/handle/311006/12869
Collection	理论物理所科研产出_SCI论文
Corresponding Author	Lou, JZ , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Recommended Citation 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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