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题名: Two-channel Kondo lattice model on a ladder studied by the density-matrix renormalization-group method
作者: Moreno, J ;  Qin, SJ ;  Coleman, P ;  Yu, L
刊名: PHYSICAL REVIEW B
出版日期: 2001
卷号: 64, 期号:8, 页码:art. no.-85116
关键词: DIMENSIONAL ANDERSON LATTICE ;  QUANTUM SPIN CHAIN ;  CONDUCTION ELECTRONS ;  PHASE-DIAGRAM ;  HALDANE-GAP ;  INSULATORS ;  FIELD
学科分类: Physics
通讯作者: Moreno, J , Northwestern Univ, Dept Phys & Astron, 2145 Sheridan Rd, Evanston, IL 60208 USA.
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
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000170623000035
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13687
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
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.
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