ITP OpenIR  > 理论物理所科研产出  > SCI论文
Zhang, GM; Lu, ZY; Xiang, T; Zhang, GM (reprint author), Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.
Superconductivity mediated by the antiferromagnetic spin wave in chalcogenide iron-based superconductors
Source PublicationPHYSICAL REVIEW B
Language英语
KeywordCoexistence
AbstractThe ground state of K(0.8+x)Fe(1.6+y)Se(2) and other iron-based selenide superconductors are doped antiferromagnetic semiconductors. We propose that the low energy physics of this system is governed by a model Hamiltonian of interacting electrons with onsite ferromagnetic exchange interactions and intersite superexchange interactions. We have derived the effective pairing potential of electrons under the linear spin-wave approximation and shown that the superconductivity can be driven by mediating coherent spin-wave excitations in these materials. Our work provides a natural account for the coexistence of superconducting and antiferromagnetic long range orders observed by neutron scattering and other experiments.
2011
ISSN1098-0121
Volume84Issue:5Pages:52502
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNSFC; MOST of China ; NSFC; MOST of China ; NSFC; MOST of China ; NSFC; MOST of China
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14293
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhang, GM (reprint author), Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, GM,Lu, ZY,Xiang, T,et al. Superconductivity mediated by the antiferromagnetic spin wave in chalcogenide iron-based superconductors[J]. PHYSICAL REVIEW B,2011,84(5):52502.
APA Zhang, GM,Lu, ZY,Xiang, T,&Zhang, GM .(2011).Superconductivity mediated by the antiferromagnetic spin wave in chalcogenide iron-based superconductors.PHYSICAL REVIEW B,84(5),52502.
MLA Zhang, GM,et al."Superconductivity mediated by the antiferromagnetic spin wave in chalcogenide iron-based superconductors".PHYSICAL REVIEW B 84.5(2011):52502.
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