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题名: Evidence for a generic quantum transition in high-T(c) cuprates
作者: Panagopoulos, C ;  Tallon, JL ;  Rainford, BD ;  Xiang, T ;  Cooper, JR ;  Scott, CA
刊名: PHYSICAL REVIEW B
出版日期: 2002
卷号: 66, 期号:6, 页码:-
关键词: MUON SPIN RELAXATION ;  COPPER-OXIDE METALS ;  NORMAL-STATE ;  ANTIFERROMAGNETIC CORRELATIONS ;  SUPERFLUID DENSITY ;  PHASE-DIAGRAM ;  SUPERCONDUCTORS ;  LA2-XSRXCUO4 ;  ORDER ;  DYNAMICS
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, IRC Superconduct, Cambridge CB3 0HE, England; Ind Res Ltd, Lower Hutt, New Zealand; Univ Southampton, Dept Phys & Astron, Southampton SO17 1BJ, Hants, England; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We study the low-energy spin fluctuations and superfluid density of a series of pure and Zn-substituted high-T(c) superconductors (HTS) using the muon spin relaxation and ac-susceptibility techniques. At a critical doping state, p(c), we find (i) simultaneous abrupt changes in the magnetic spectrum and in the superconducting ground state and (ii) that the slowing down of spin fluctuations becomes singular at T=0. These results provide experimental evidence for a quantum transition that separates the superconducting phase diagram of HTS into two distinct ground states.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000177911700090
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13473
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. Evidence for a generic quantum transition in high-T(c) cuprates[J]. PHYSICAL REVIEW B,2002,66(6):-.
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