A critical examination of the spin dynamics in High-Tc cuprates

被引：15
|
作者：
Bourges, P [1 ]
Keimer, B
Regnault, LP
Sidis, Y
机构：
[1] Ctr Etud Saclay, CNRS, CEA, Lab Leon Brillouin, F-91191 Gif Sur Yvette, France
[2] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
[3] CEA Grenoble, Dept Rech Fondamentale Matiere Condensee, F-38054 Grenoble 9, France
来源：
JOURNAL OF SUPERCONDUCTIVITY | 2000年 / 13卷 / 05期
关键词：
Spin dynamics; high-T-c; cuprates;
D O I：
10.1023/A:1007810130559
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A critical examination of the spin dynamics in high- T-c cuprates is made in the light of recent inelastic neutron scattering results obtained by different groups. The neutron data show that incommensurate magnetic peaks in YBCO belong to the same excitation as the resonance peak observed at (pi /a, pi /a). Being observed only in the superconducting state, the incommensurability is rather difficult to reconcile with a stripe picture. We also discuss the link between the resonance peak spectral weight and the superconducting condensation energy.
引用
收藏
页码：735 / 740
页数：6
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