Competition between antiferromagnetism and superconductivity in high-Tc cuprates -: art. no. 156404

被引：188

作者：

Sénéchal, D ^{[1
]}

Lavertu, PL ^{[1
]}

Marois, MA ^{[1
]}

Tremblay, AMS ^{[1
]}

机构：

[1] Univ Sherbrooke, Dept Phys & Regrp Quebecois Mat Pointe, Sherbrooke, PQ J1K 2R1, Canada

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.94.156404

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using variational cluster perturbation theory we study the competition between d-wave superconductivity (dSC) and antiferromagnetism (AF) in the t-t'-t ''-U Hubbard model. Large scale computer calculations reproduce the overall ground-state phase diagram of the high-temperature superconductors as well as the one-particle excitation spectra for both hole and electron doping. We identify clear signatures of the Mott gap as well as of AF and of dSC that should be observable in photoemission experiments.

引用

页数：4

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