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Impurity in a Luttinger liquid: A numerical study of the finite-size energy spectrum and of the orthogonality catastrophe exponent
Qin, SJ; Fabrizio, M; Yu, L; Qin, SJ , INT CTR THEORET PHYS,POB 586,I-34100 TRIESTE,ITALY.
1996
发表期刊PHYSICAL REVIEW B
ISSN0163-1829
卷号54期号:14页码:R9643-R9646
摘要The behavior of a single impurity in a one-dimensional Luttinger liquid is numerically investigated by means of the density-matrix renormalization group. By analyzing the finite-size scaling behavior of the low-energy spectrum, we confirm the theoretical prediction of Kane and Fisher [Phys. Rev. Lett. 68, 1220 (1992)] both for attractive and repulsive interactions. Moreover, we calculate the exponent of the orthogonality catastrophe, which gives a further support to the above theoretical prediction.
部门归属SCH ADV INT STUDIES,I-34014 TRIESTE,ITALY; IST NAZL FIS MAT,TRIESTE,ITALY; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
关键词Quantum Renormalization-groups Fermi-edge Singularity Wires Backscattering Transport
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/311006/12576
专题理论物理所SCI论文
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: A numerical study of the finite-size energy spectrum and of the orthogonality catastrophe exponent[J]. PHYSICAL REVIEW B,1996,54(14):R9643-R9646.
APA Qin, SJ,Fabrizio, M,Yu, L,&Qin, SJ , INT CTR THEORET PHYS,POB 586,I-34100 TRIESTE,ITALY..(1996).Impurity in a Luttinger liquid: A numerical study of the finite-size energy spectrum and of the orthogonality catastrophe exponent.PHYSICAL REVIEW B,54(14),R9643-R9646.
MLA Qin, SJ,et al."Impurity in a Luttinger liquid: A numerical study of the finite-size energy spectrum and of the orthogonality catastrophe exponent".PHYSICAL REVIEW B 54.14(1996):R9643-R9646.
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