d-Wave pairing correlation in the two-dimensional t-J model

被引：49
|
作者：
Shih, CT [1 ]
Chen, YC
Lin, HQ
Lee, TK
机构：
[1] Natl Ctr High Performance Comp, Hsinchu, Taiwan
[2] Tunghai Univ, Dept Phys, Taichung 40704, Taiwan
[3] Chinese Univ Hong Kong, Dept Phys, Hong Kong, Peoples R China
[4] Acad Sinica, Inst Phys, Taipei, Taiwan
[5] Natl Ctr Theoret Sci, Hsinchu, Taiwan
来源：
PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 06期
关键词：
D O I：
10.1103/PhysRevLett.81.1294
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The pair-pair correlation function of the two-dimensional t-J model is studied by using the power-Lanczos method under the assumption of monotonic behavior. In comparison with the results of the ideal Fermi gas, we conclude that the 2D t-J model does not have long-range d-wave superconducting correlation in the interesting parameter range of J/t less than or equal to 0.5. Implications of this result are also discussed.
引用
收藏
页码：1294 / 1297
页数：4
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