Marginal Fermi liquid resonance induced by a quantum magnetic impurity in d-wave superconductors | |
Zhang, GM; Hu, H; Yu, L; Zhang, GM , Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China. | |
刊名 | PHYSICAL REVIEW LETTERS |
2001 | |
卷号 | 86期号:4页码:704-707 |
关键词 | Anderson Systems States |
ISSN号 | 0031-9007 |
英文摘要 | We consider a model of an Anderson impurity embedded in a d(x2-y2)-wave superconducting state to describe the low-energy excitations of cuprate superconductors doped with a small amount of magnetic impurities. Because of the Dirac-like energy dispersion a sharp localized resonance above the Fermi energy, showing a marginal Fermi liquid behavior (omega ln omega as omega --> 0), is predicted for the impurity states. The same logarithmic dependence of self-energy and a linear frequency dependence of the relaxation rate are also derived for the conduction electrons, characterizing a new universality class for the strong coupling fixed point. At the resonant energies, the spatial distribution of the electron density of states around the magnetic impurity is also calculated. DOI: 10.1103/PhysRevLett.86.704. |
学科主题 | Physics |
URL标识 | 查看原文 |
WOS记录号 | WOS:000166539900037 |
公开日期 | 2012-08-29 |
内容类型 | 期刊论文 |
源URL | [http://ir.itp.ac.cn/handle/311006/12826] |
专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
通讯作者 | Zhang, GM , Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China. |
推荐引用方式 GB/T 7714 | Zhang, GM,Hu, H,Yu, L,et al. Marginal Fermi liquid resonance induced by a quantum magnetic impurity in d-wave superconductors[J]. PHYSICAL REVIEW LETTERS,2001,86(4):704-707. |
APA | Zhang, GM,Hu, H,Yu, L,&Zhang, GM , Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China..(2001).Marginal Fermi liquid resonance induced by a quantum magnetic impurity in d-wave superconductors.PHYSICAL REVIEW LETTERS,86(4),704-707. |
MLA | Zhang, GM,et al."Marginal Fermi liquid resonance induced by a quantum magnetic impurity in d-wave superconductors".PHYSICAL REVIEW LETTERS 86.4(2001):704-707. |
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