The effect of interchain interaction on the pairing symmetry competition in organic superconductors (TMTSF)$_2$X

Details The effect of interchain interaction on the pairing symmetry competition in organic superconductors (TMTSF)$_2$X The effect of interchain interaction on the pairing symmetry competition in organic superconductors (TMTSF)$_2$X

2005-03-18

arxiv.org/abs/cond-mat/0503467v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages

Scientific paper

10.1143/JPSJ.74.1694

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.

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