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Qin, SJ; Fabrizio, M; Yu, L; Oshikawa, M; Affleck, I; Qin, SJ , INT CTR THEORET PHYS,POB 586,I-34100 TRIESTE,ITALY.
Impurity in a Luttinger liquid away from half-filling: A numerical study
Source PublicationPHYSICAL REVIEW B
KeywordQuantum Renormalization-groups Finite-size Corrections Fermi-edge Singularity Heisenberg Chain States Wires Gas
AbstractConformal 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.
1997
ISSN0163-1829
Volume56Issue:15Pages:9766-9774
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12420
Collection理论物理所科研产出_SCI论文
Corresponding AuthorQin, SJ , INT CTR THEORET PHYS,POB 586,I-34100 TRIESTE,ITALY.
Recommended Citation
GB/T 7714
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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