Impurity entanglement entropy in Kondo systems from conformal field theory

Erik Eriksson; Henrik Johannesson

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Impurity entanglement entropy in Kondo systems from conformal field theory

机译：从共形场理论看近藤系统中的杂质纠缠熵

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The entanglement entropy in Kondo impurity systems is studied analytically using conformal field theory. From the impurity contribution to the scaling corrections of the entanglement entropy we extract information about the screening cloud profile for general non-Fermi-liquid fixed points. By also considering the finite-temperature corrections to scaling of the von Neumann entropy we point out a direct connection between the long-distance screening cloud profile and thermodynamic observables such as the specific heat.

机译：利用共形场理论分析研究了近藤杂质系统中的纠缠熵。从杂质对纠缠熵的比例校正的提取中，我们提取了有关一般非费米液体固定点的筛选云剖面的信息。通过考虑对冯·诺依曼熵定标的有限温度校正，我们指出了长距离筛选云剖面与热力学观测值（例如比热）之间的直接联系。

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来源
《Physical review》 |2011年第4期|p.041107.1-041107.4|共4页
作者
Erik Eriksson; Henrik Johannesson;
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Department of Physics, University of Gothenburg, SE 412 96 Gothenburg, Sweden;

Department of Physics, University of Gothenburg, SE 412 96 Gothenburg, Sweden;

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机译：Renormalation组，量子关键点，通货膨胀和广告/ CFT，抗DE Satter空间/共形领域理论对应，重型夸克喷气机在防守空间/共形场理论，全息纠缠熵，Lifshitz拓扑BLAC
2. Renyi entanglement entropies of descendant states in critical systems with boundaries: conformal field theory and spin chains [J] . Taddia Luca, Ortolani Fabio, Palmai Tamas Journal of statistical mechanics: Theory and Experiment . 2016,第1期

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3. CONFORMAL-FIELD-THEORY APPROACH TO THE TWO-IMPURITY KONDO PROBLEM - COMPARISON WITH NUMERICAL RENORMALIZATION-GROUP RESULTS [J] . Affleck I., Jones BA., Ludwig AWW. Physical Review, B. Condensed Matter . 1995,第13期

机译：两个杂质Kondo问题的共形理论方法-与数值归一化组合结果的比较
4. Entanglement and Correlation in Kondo Impurity Systems [C] . Sam Young Cho International Conference on Nanoscience and Nanotechnology . 2006

机译：Kondo杂质系统中的纠缠与相关性
5. The two-impurity, two-channel Kondo problem: A conformal field theory approach. [D] . Gonzalez, Jose Miguel. 1995

机译：两杂质，两通道近藤问题：共形场论方法。
6. From the representation theory of vertex operator algebras to modular tensor categories in conformal field theory [O] . James Lepowsky 2005

机译：从顶点算子代数的表示理论到共形场论中的模量张量类别
7. Impurity entanglement entropy in Kondo systems from conformal field theory [O] . Erik Eriksson, Henrik Johannesson 2011

机译：来自保形场理论的Kondo系统中的杂质纠缠熵

Impurity entanglement entropy in Kondo systems from conformal field theory

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