ITP OpenIR  > 理论物理所2014年知识产出
Doublon-holon binding, Mott transition, and fractionalized antiferromagnet in the Hubbard model
Zhou, S; Wang, YP; Wang, ZQ; Zhou, S (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
2014
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号89期号:19页码:195119
摘要We argue that the binding between doubly occupied (doublon) and empty (holon) sites governs incoherent excitations and plays a key role in the Mott transition in strongly correlated Mott-Hubbard systems. We construct a new saddle-point solution with doublon-holon binding in the Kotliar-Ruckenstein slave-boson functional integral formulation of the Hubbard model. On a half-filled honeycomb lattice and square lattice, the ground state is found to exhibit a continuous transition from a paramagnetic semimetal/metal to an antiferromagnetic-ordered Slater insulator with coherent quasiparticles at U-cl, followed by a Mott transition into an electron-fractionalized AF* phase without coherent excitations at U-c2. Such a phase structure appears to be generic for bipartite lattices without frustration. We show that doublon-holon binding unites the three important ideas of strong correlation: coherent quasiparticles, incoherent Hubbard bands, and deconfined Mott insulator.
部门归属[Zhou, Sen] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
关键词Narrow Energy-bands Functional-integral Approach Correlated Fermi Systems Mean-field Theory Electron Correlations Gutzwiller Approximation Anderson Model Monte-carlo Doped V2o3 Liquid
学科领域Physics
资助者DOE [DE-FG02-99ER45747, DE-SC0002554]; Thousand Youth Talents Plan of China ; DOE [DE-FG02-99ER45747, DE-SC0002554]; Thousand Youth Talents Plan of China ; DOE [DE-FG02-99ER45747, DE-SC0002554]; Thousand Youth Talents Plan of China ; DOE [DE-FG02-99ER45747, DE-SC0002554]; Thousand Youth Talents Plan of China
DOI10.1103/PhysRevB.89.195119
URL查看原文
收录类别SCI
语种英语
资助者DOE [DE-FG02-99ER45747, DE-SC0002554]; Thousand Youth Talents Plan of China ; DOE [DE-FG02-99ER45747, DE-SC0002554]; Thousand Youth Talents Plan of China ; DOE [DE-FG02-99ER45747, DE-SC0002554]; Thousand Youth Talents Plan of China ; DOE [DE-FG02-99ER45747, DE-SC0002554]; Thousand Youth Talents Plan of China
WOS记录号WOS:000335886100001
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被引频次:8[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/311006/15760
专题理论物理所2014年知识产出
通讯作者Zhou, S (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Zhou, S,Wang, YP,Wang, ZQ,et al. Doublon-holon binding, Mott transition, and fractionalized antiferromagnet in the Hubbard model[J]. PHYSICAL REVIEW B,2014,89(19):195119.
APA Zhou, S,Wang, YP,Wang, ZQ,&Zhou, S .(2014).Doublon-holon binding, Mott transition, and fractionalized antiferromagnet in the Hubbard model.PHYSICAL REVIEW B,89(19),195119.
MLA Zhou, S,et al."Doublon-holon binding, Mott transition, and fractionalized antiferromagnet in the Hubbard model".PHYSICAL REVIEW B 89.19(2014):195119.
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