Magnetic order in the pseudogap phase of high-TC superconductors

被引：414

作者：

Fauque, B.

Sidis, Y.

Hinkov, V.

Pailhes, S.

Lin, C. T.

Chaud, X.

Bourges, P. ^{[1
]}

机构：

[1] CEA Saclay, CNRS, Lab Leon Brillouin, F-91191 Gif Sur Yvette, France

[2] MPI Festkorperforsch, D-70569 Stuttgart, Germany

[3] ETH, LNS, CH-5232 Villigen, Switzerland

[4] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

[5] CNRS, CRETA, F-38042 Grenoble 9, France

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.96.197001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

One of the leading issues in high-T-C superconductors is the origin of the pseudogap phase in underdoped cuprates. Using polarized elastic neutron diffraction, we identify a novel magnetic order in the YBa2Cu3O6+x system. The observed magnetic order preserves translational symmetry of the lattice as proposed for orbital moments in the circulating current theory of the pseudogap state. To date, it is the first direct evidence of a hidden order parameter characterizing the pseudogap phase in high-T-C cuprates.

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页数：4

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