ITP OpenIR  > SCI期刊论文
Zhang, GM; Su, YH; Yu, L; Zhang, GM (reprint author), Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.
Lifshitz transitions in a heavy Fermi liquid driven by short-range antiferromagnetic correlations in the two-dimensional Kondo lattice model
Source PublicationPHYSICAL REVIEW B
Language英语
KeywordQuantum Phase-transitions Electron Diagram Metals
AbstractThe heavy Fermi liquid with short-range antiferromagnetic correlations is carefully considered in the two-dimensional Kondo-Heisenberg lattice model. As the ratio of the local Heisenberg superexchange J(H) to the Kondo coupling J(K) increases, the topology of the Fermi surface (FS) of the heavy quasiparticles changes: at J(H)/J(K) = 0.1055 a first-order quantum phase transition is identified, where a small FS circle begins to emerge within the large deformed FS circle centered at (pi,pi). When J(H)/J(K) = 0.1425, the two deformed FS circles intersect each other and then decompose into four kidneylike Fermi pockets via a second-order quantum phase transition. As J(H)/J(K) increases further, the Fermi pockets are shifted inward along the direction (pi,pi) to (pi/2,pi/2), and the resulting FS is consistent with that obtained recently using the cluster dynamic mean-field approach to the Kondo lattice model in the presence of the antiferromagnetic order.
2011
ISSN1098-0121
Volume83Issue:3Pages:33102
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNSF of China; MOST-China ; NSF of China; MOST-China ; NSF of China; MOST-China ; NSF of China; MOST-China
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14437
CollectionSCI期刊论文
Corresponding AuthorZhang, GM (reprint author), Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, GM,Su, YH,Yu, L,et al. Lifshitz transitions in a heavy Fermi liquid driven by short-range antiferromagnetic correlations in the two-dimensional Kondo lattice model[J]. PHYSICAL REVIEW B,2011,83(3):33102.
APA Zhang, GM,Su, YH,Yu, L,&Zhang, GM .(2011).Lifshitz transitions in a heavy Fermi liquid driven by short-range antiferromagnetic correlations in the two-dimensional Kondo lattice model.PHYSICAL REVIEW B,83(3),33102.
MLA Zhang, GM,et al."Lifshitz transitions in a heavy Fermi liquid driven by short-range antiferromagnetic correlations in the two-dimensional Kondo lattice model".PHYSICAL REVIEW B 83.3(2011):33102.
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