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Moreno, J; Qin, SJ; Coleman, P; Yu, L; Moreno, J , Northwestern Univ, Dept Phys & Astron, 2145 Sheridan Rd, Evanston, IL 60208 USA.
Two-channel Kondo lattice model on a ladder studied by the density-matrix renormalization-group method
Source PublicationPHYSICAL REVIEW B
KeywordDimensional Anderson Lattice Quantum Spin Chain Conduction Electrons Phase-diagram Haldane-gap Insulators Field
AbstractUsing 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.
2001
ISSN0163-1829
Volume64Issue:8Pages:art. no.-85116
Subject AreaPhysics
Indexed BySCI
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13687
Collection理论物理所科研产出_SCI论文
Corresponding AuthorMoreno, J , Northwestern Univ, Dept Phys & Astron, 2145 Sheridan Rd, Evanston, IL 60208 USA.
Recommended Citation
GB/T 7714
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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