Critical behavior in the low-energy spin fluctuations in high-T(c) superconductors

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	Panagopoulos, C; Tallon, JL; Rainford, BD; Xiang, T; Cooper, JR; Scott, CA; Panagopoulos, C , Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
	Critical behavior in the low-energy spin fluctuations in high-T(c) superconductors
Source Publication	JOURNAL OF SUPERCONDUCTIVITY
Keyword	Copper-oxide Metals Antiferromagnetic Correlations Superfluid Density Neutron-scattering Phase-diagram Normal-state La2-xsrxcuo4 Relaxation Pseudogap Charge
Abstract	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.
	2002
ISSN	0896-1107
Volume	15 Issue:5 Pages:335-338
Subject Area	Physics
Indexed By	SCI
Document Type	期刊论文
Identifier	http://ir.itp.ac.cn/handle/311006/13422
Collection	SCI期刊论文
Corresponding Author	Panagopoulos, C , Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
Recommended Citation GB/T 7714	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.
APA	Panagopoulos, C.,Tallon, JL.,Rainford, BD.,Xiang, T.,Cooper, JR.,...&Panagopoulos, C , Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England..(2002).Critical behavior in the low-energy spin fluctuations in high-T(c) superconductors.JOURNAL OF SUPERCONDUCTIVITY,15(5),335-338.
MLA	Panagopoulos, C,et al."Critical behavior in the low-energy spin fluctuations in high-T(c) superconductors".JOURNAL OF SUPERCONDUCTIVITY 15.5(2002):335-338.

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