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题名: Marginal Fermi liquid resonance induced by a quantum magnetic impurity in d-wave superconductors
作者: Zhang, GM ;  Hu, H ;  Yu, L
刊名: PHYSICAL REVIEW LETTERS
出版日期: 2001
卷号: 86, 期号:4, 页码:704-707
关键词: ANDERSON ;  SYSTEMS ;  STATES
学科分类: Physics
通讯作者: Zhang, GM , Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China.
部门归属: Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China; Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China; Abdus Salam Int Ctr Theoret Phys, I-34100 Trieste, Italy; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000166539900037
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12826
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Zhang, GM,Hu, H,Yu, L. Marginal Fermi liquid resonance induced by a quantum magnetic impurity in d-wave superconductors[J]. PHYSICAL REVIEW LETTERS,2001,86(4):704-707.
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