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Impurity in a Luttinger liquid away from half-filling: A numerical study
Qin, SJ; Fabrizio, M; Yu, L; Oshikawa, M; Affleck, I; Qin, SJ , INT CTR THEORET PHYS,POB 586,I-34100 TRIESTE,ITALY.
1997
发表期刊PHYSICAL REVIEW B
ISSN0163-1829
卷号56期号:15页码:9766-9774
摘要Conformal field theory gives quite detailed predictions for the low-energy spectrum and scaling exponents of a massless Luttinger liquid at generic filling in the presence of an impurity. While these predictions were verified for half-filled systems, there was until now no analysis away from this particular filling. Here, we fill in this gap by numerically investigating a quarter-filled system using the density-matrix renormalization-group technique. Our results confirm conformal-field-theory predictions, and suggest that they are indeed valid for arbitrary fillings.
部门归属SCUOLA INT SUPER STUDI AVANZATI,I-34014 TRIESTE,ITALY; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; UNIV BRITISH COLUMBIA,DEPT PHYS & ASTRON,VANCOUVER,BC V6T 1Z1,CANADA; UNIV BRITISH COLUMBIA,CANADIAN INST ADV RES,VANCOUVER,BC V6T 1Z1,CANADA
关键词Quantum Renormalization-groups Finite-size Corrections Fermi-edge Singularity Heisenberg Chain States Wires Gas
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12420
专题理论物理所1978-2010年知识产出
通讯作者Qin, SJ , INT CTR THEORET PHYS,POB 586,I-34100 TRIESTE,ITALY.
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Qin, SJ,Fabrizio, M,Yu, L,et al. Impurity in a Luttinger liquid away from half-filling: A numerical study[J]. PHYSICAL REVIEW B,1997,56(15):9766-9774.
APA Qin, SJ,Fabrizio, M,Yu, L,Oshikawa, M,Affleck, I,&Qin, SJ , INT CTR THEORET PHYS,POB 586,I-34100 TRIESTE,ITALY..(1997).Impurity in a Luttinger liquid away from half-filling: A numerical study.PHYSICAL REVIEW B,56(15),9766-9774.
MLA Qin, SJ,et al."Impurity in a Luttinger liquid away from half-filling: A numerical study".PHYSICAL REVIEW B 56.15(1997):9766-9774.
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