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题名: Critical behavior in the low-energy spin fluctuations in high-T(c) superconductors
作者: Panagopoulos, C ;  Tallon, JL ;  Rainford, BD ;  Xiang, T ;  Cooper, JR ;  Scott, CA
刊名: JOURNAL OF SUPERCONDUCTIVITY
出版日期: 2002
卷号: 15, 期号:5, 页码:335-338
关键词: COPPER-OXIDE METALS ;  ANTIFERROMAGNETIC CORRELATIONS ;  SUPERFLUID DENSITY ;  NEUTRON-SCATTERING ;  PHASE-DIAGRAM ;  NORMAL-STATE ;  LA2-XSRXCUO4 ;  RELAXATION ;  PSEUDOGAP ;  CHARGE
学科分类: Physics
通讯作者: Panagopoulos, C , Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
部门归属: Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England; Univ Cambridge, Interdisciplinary Res Ctr Superconduct, Cambridge CB3 0HE, England; Ind Res Ltd, Lower Hutt, New Zealand; Univ Southampton, Dept Phys & Astron, Southampton SO07 1BJ, Hants, England; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We study the spin fluctuations of pure and Zn-substituted La(2-x)Sr(x)CuO(4) using the muon spin relaxation technique. Superconductivity is found to coexist with low-frequency spin fluctuations over a large region of the superconducting phase diagram. The characteristic temperature of spin fluctuations detected by muSR decreases with increasing x and vanishes above a critical doping x(c) approximate to 0.19. This value of x(c) coincides with the doping at which the normal state pseudogap extrapolates to zero. These results are discussed in terms of a quantum transition that separates the superconducting phase diagram of high-temperature superconductors into two distinct ground states.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13422
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:
Panagopoulos, C,Tallon, JL,Rainford, BD,et al. Critical behavior in the low-energy spin fluctuations in high-T(c) superconductors[J]. JOURNAL OF SUPERCONDUCTIVITY,2002,15(5):335-338.
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