ITP OpenIR  > SCI期刊论文
Zhuo, W; Wang, XQ; Wang, YP; Zhuo, W , Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, POB 603, Beijing 100080, Peoples R China
Spin transport properties in Heisenberg antiferromagnetic spin chains: Spin current induced by twisted boundary magnetic fields
Source PublicationPHYSICAL REVIEW B
KeywordRenormalization-group Sigma-model Haldane-gap Dynamics Spintronics State
AbstractSpin transport properties of the one-dimensional Heisenberg antiferromagnetic spin systems for both S=1/2 and S=1 are studied by applying twisted boundary magnetic field. The spin current displays significantly different behavior of the spin transport properties between S=1/2 and S=1 cases. For the spin-half case, a London equation for the current and the detection of an alternating electric field are proposed for the linear response regime. The correlation functions reveal the spiral nature of spin configuration for both ground state and the spinon excitations. For the spin-one chain otherwise, a kink generated in the ground state for the size is larger than the correlation length, leading to an exponential dependence of spin current with respect to the chains length. The midgap state emerges from the degenerate ground state even for small boundary fields.
2006
ISSN1098-0121
Volume73Issue:21Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5984
CollectionSCI期刊论文
Corresponding AuthorZhuo, W , Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, POB 603, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhuo, W,Wang, XQ,Wang, YP,et al. Spin transport properties in Heisenberg antiferromagnetic spin chains: Spin current induced by twisted boundary magnetic fields[J]. PHYSICAL REVIEW B,2006,73(21):-.
APA Zhuo, W,Wang, XQ,Wang, YP,&Zhuo, W , Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, POB 603, Beijing 100080, Peoples R China.(2006).Spin transport properties in Heisenberg antiferromagnetic spin chains: Spin current induced by twisted boundary magnetic fields.PHYSICAL REVIEW B,73(21),-.
MLA Zhuo, W,et al."Spin transport properties in Heisenberg antiferromagnetic spin chains: Spin current induced by twisted boundary magnetic fields".PHYSICAL REVIEW B 73.21(2006):-.
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