Absence of Superconductivity in the Half-Filled Band Hubbard Model on the Anisotropic Triangular Lattice

被引：68
|
作者：
Clay, R. T. [1 ,2 ]
Li, H. [3 ]
Mazumdar, S. [3 ]
机构：
[1] Mississippi State Univ, Dept Phys & Astron, Mississippi State, MS 39762 USA
[2] Mississippi State Univ, Ctr Computat Sci HPC2, Mississippi State, MS 39762 USA
[3] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
来源：
PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 16期
关键词：
D O I：
10.1103/PhysRevLett.101.166403
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report exact calculations of magnetic and superconducting pair-pair correlations for the half-filled band Hubbard model on an anisotropic triangular lattice. Our results for the magnetic phases are similar to those obtained with other techniques. The superconducting pair-pair correlations at distances beyond nearest neighbor decrease monotonically with increasing Hubbard interaction U for all anisotropy, indicating the absence of frustration-driven superconductivity within the model.
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页数：4
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