Effect of interchain interaction on pairing symmetry competition in organic superconductors (TMTSF)2X

被引：35
|
作者：
Kuroki, K
Tanaka, Y
机构：
[1] Univ Electrocommun, Dept Appl Phys & Chem, Chofu, Tokyo 1828585, Japan
[2] Nagoya Univ, Dept Appl Phys, Nagoya, Aichi 4648603, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2005年 / 74卷 / 06期
关键词：
(TMTSF)(2)X; superconductivity; spin-triplet pairing; interchain interaction; charge and spin fluctuations;
D O I：
10.1143/JPSJ.74.1694
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the effect of interchain repulsive interaction on the pairing symmetry competition in quasi-one-dimensional organic superconductors (TMTSF)(2)X by applying random phase approximation and quantum Monte Carlo calculation to an extended Hubbard model. We find that interchain repulsive interaction enhances the 2k(F) charge fluctuations, thereby making the possibility of spin-triplet f-wave pairing dominating over spin-singlet d-wave pairing realistic.
引用
收藏
页码：1694 / 1697
页数：4
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