Electron-momentum distribution of cuprate superconductors in a full charge-spin recombination scheme

Electron-momentum distribution of cuprate superconductors in a full charge-spin recombination scheme
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全电荷自旋复合方案中铜酸盐超导体的电子动量分布

DOI:
10.1142/s021798491550178x
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发表时间:
2015-10
影响因子:
1.9
通讯作者:
Zhao, Huaisong
Zhao, Huaisong
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Feng, Shiping;Kuang, Lulin;Zhao, Huaisong

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一个长期未解决的问题是基于电荷-自旋分离的铜超导体超导微观理论如何产生一个大的电子费米表面(EFS)。在动能驱动超导机制的框架下,提出了将载流子和局域自旋完全复合为电子的全电荷自旋复合方案,并应用该方案研究了铜超导体中的电子动量分布。特别地,理论表明底层的电磁场满足Luttinger定理,并且服从约束电子的和规则。
A long-standing unsolved problem is how a microscopic theory of superconductivity in cuprate superconductors based on the charge-spin separation can produce a large electron Fermi surface (EFS). Within the framework of the kinetic-energy driven superconducting mechanism, a full charge-spin recombination scheme is developed to fully recombine a charge carrier and a localized spin into an electron, and then is employed to study the electron-momentum distribution in cuprate superconductors. In particular, the theory shows that the underlying EFS fulfills Luttinger’s theorem, and the sum rule for the constrained electron is obeyed.
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发表时间: 1995-05
期刊: Physical review. B, Condensed matter
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