Local Electron-Lattice Interactions in High-Temperature Cuprate Superconductors

被引:14
|
作者
Keller, Hugo [2 ]
Bussmann-Holder, Annette [1 ]
机构
[1] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
[2] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland
基金
瑞士国家科学基金会;
关键词
T-C; POLARON FORMATION; S-WAVE; GAP SYMMETRY; CUO2; PLANE; OXYGEN; PHASE; DEPENDENCE; ANHARMONICITY; STATE;
D O I
10.1155/2010/393526
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Recent experimental observations of unconventional isotope effects, multiband superconductivity, and unusual local lattice responses are reviewed and shown to be naturally explained within a two-component scenario where local polaronic effects are important. It is concluded that purely electronic mechanisms of high-temperature superconductivity are incomplete and unable to capture the essential physics of cuprates and other layered superconductors.
引用
收藏
页数:17
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