Bounded Luttinger liquids as a universality class of quantum critical behavior
文献类型：期刊论文
| 作者 | Voit, J ; Wang, YP ; Grioni, M |
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2000 |
| 卷号 | 61期号:12页码:7930 |
| 关键词 | DIMENSIONAL HUBBARD-MODEL CONFORMAL-INVARIANCE CRITICAL EXPONENTS SPECTRAL PROPERTIES ORGANIC CONDUCTORS FRIEDEL OSCILLATIONS INTERACTING FERMIONS INTEGRABLE MODELS BETHE-ANSATZ CHAIN |
| ISSN号 | 1098-0121 |
| 通讯作者 | Voit, J: Univ Freiburg, Fak Phys, Hermann Herder Str 3, D-79104 Freiburg, Germany. |
| 中文摘要 | We show that one-dimensional quantum systems with gapless degrees of freedom and open boundary conditions form a universality class of quantum critical behavior, which we propose to call ''bounded Luttinger liquids." They share the following properties with ordinary (periodic) Luttinger liquids: the absence of fermionic quasiparticle excitations, charge-spin separation, and anomalous power-law correlations with exponents whose scaling relations are parametrized by a single coupling constant per degree of freedom, K-nu. The values of K-nu are independent of boundary conditions, but the representation of the critical exponents in terms of these K-nu's depends on boundary conditions. We illustrate these scaling relations by exploring general rules for boundary critical exponents derived earlier using the Bethe ansatz solution of the one-dimensional Hubbard model together with boundary conformal held theory, and the theory of Luttinger liquids in finite-size systems. We apply this theory to the photoemission properties of the organic conductors (TMTSF)(2)X, where TMTSF is tetramethyltetraselenafulvalene, and X = ClO9, PF6, ReO4, and discuss to what extent the assumption of finite strands with open boundaries at the sample surface can reconcile the experimental results with independent information on the Luttinger-liquid state in these materials. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/34318]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Voit, J,Wang, YP,Grioni, M. Bounded Luttinger liquids as a universality class of quantum critical behavior[J]. PHYSICAL REVIEW B,2000,61(12):7930. |
| APA | Voit, J,Wang, YP,&Grioni, M.(2000).Bounded Luttinger liquids as a universality class of quantum critical behavior.PHYSICAL REVIEW B,61(12),7930. |
| MLA | Voit, J,et al."Bounded Luttinger liquids as a universality class of quantum critical behavior".PHYSICAL REVIEW B 61.12(2000):7930. |
入库方式： OAI收割
来源：物理研究所
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