ANTIFERROMAGNETISM, LOCALIZATION, AND PAIRING IN A TWO-DIMENSIONAL MODEL FOR CUO2
ANTIFERROMAGNETISM, LOCALIZATION, AND PAIRING IN A TWO-DIMENSIONAL MODEL FOR CUO2
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DOI：
10.1103/physrevlett.59.228
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发表时间：
1987-07-13
影响因子：
8.6
通讯作者：
HIRSCH, JE
中科院分区：
文献类型：
--
作者：
HIRSCH, JE
讨论了在强耦合极限下描述高温度超导体中cuo2平面的模型的性质。根据Emery的最新建议，假设掺杂在O而不是Cu位点上产生空穴，表明Cu矩的反铁磁排序将导致O空穴的局域化或配对。讨论了磁各向异性对配对相互作用的影响，并指出磁各向异性会增强这些体系的超导性。
The properties of a model to describe the CuO 2 planes in the high-T c superconductors are discussed in the strong-coupling limit. On the assumption that doping creates holes on the O rather than the Cu sites, following the recent suggestion of Emery, it is shown that antiferromagnetic ordering of the Cu moments will lead to either localization or pairing of the O holes. The effect of magnetic anisotropy on the pairing interaction is discussed, and it is suggested that it will strongly enhance superconductivity in these systems.