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Two-channel Kondo lattice model on a ladder studied by the density-matrix renormalization-group method
Moreno, J; Qin, SJ; Coleman, P; Yu, L; Moreno, J , Northwestern Univ, Dept Phys & Astron, 2145 Sheridan Rd, Evanston, IL 60208 USA.
2001
发表期刊PHYSICAL REVIEW B
ISSN0163-1829
卷号64期号:8页码:art. no.-85116
摘要Using the density-matrix renormalization-group (DMRG) method we study a two-channel Kondo lattice model on a half-filled ladder. Our model involves an on-site s-wave and a nearest neighbor d-wave coupling between the local moments and the conduction electrons on the ladder. By changing the relative strength of the two Kondo interactions we examine the evolution of the system from a conventional Kondo insulator with a singlet at each site to a special kind of semimetallic state formed by overlapping of Zhang-Rice-like singlets. The DMRG is used to study how the spin and charge correlation functions evolve between these two regimes.
部门归属Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Rutgers State Univ, Serin Lab, Piscataway, NJ 08854 USA; Int Ctr Theoret Phys, I-34100 Trieste, Italy
关键词Dimensional Anderson Lattice Quantum Spin Chain Conduction Electrons Phase-diagram Haldane-gap Insulators Field
学科领域Physics
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收录类别SCI
WOS记录号WOS:000170623000035
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被引频次:6[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/311006/13687
专题理论物理所1978-2010年知识产出
通讯作者Moreno, J , Northwestern Univ, Dept Phys & Astron, 2145 Sheridan Rd, Evanston, IL 60208 USA.
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Moreno, J,Qin, SJ,Coleman, P,et al. Two-channel Kondo lattice model on a ladder studied by the density-matrix renormalization-group method[J]. PHYSICAL REVIEW B,2001,64(8):art. no.-85116.
APA Moreno, J,Qin, SJ,Coleman, P,Yu, L,&Moreno, J , Northwestern Univ, Dept Phys & Astron, 2145 Sheridan Rd, Evanston, IL 60208 USA..(2001).Two-channel Kondo lattice model on a ladder studied by the density-matrix renormalization-group method.PHYSICAL REVIEW B,64(8),art. no.-85116.
MLA Moreno, J,et al."Two-channel Kondo lattice model on a ladder studied by the density-matrix renormalization-group method".PHYSICAL REVIEW B 64.8(2001):art. no.-85116.
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