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Lifshitz transitions in a heavy Fermi liquid driven by short-range antiferromagnetic correlations in the two-dimensional Kondo lattice model
Zhang, GM; Su, YH; Yu, L; Zhang, GM (reprint author), Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.
2011
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号83期号:3页码:33102
摘要The 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.
部门归属[Zhang, Guang-Ming] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China; [Su, Yue-Hua] Yantai Univ, Dept Phys, Yantai 264005, Peoples R China; [Yu, Lu] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China; [Yu, Lu] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Quantum Phase-transitions Electron Diagram Metals
学科领域Physics
资助者NSF of China; MOST-China ; NSF of China; MOST-China ; NSF of China; MOST-China ; NSF of China; MOST-China
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收录类别SCI
语种英语
资助者NSF of China; MOST-China ; NSF of China; MOST-China ; NSF of China; MOST-China ; NSF of China; MOST-China
WOS记录号WOS:000286765400001
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被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14437
专题2011年知识产出
通讯作者Zhang, GM (reprint author), Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.
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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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