Interplay between spin-density-wave and superconducting states in quasi-one-dimensional conductors
Strongly Correlated Electrons
2009-11-07 v1
Abstract
The interference between spin-density-wave and superconducting instabilities in quasi-one-dimensional correlated metals is analyzed using the renormalization group method. At the one-loop level, we show how the interference leads to a continuous crossover from a spin-density-wave state to unconventional superconductivity when deviations from perfect nesting of the Fermi surface exceed a critical value. Singlet pairing between electrons on neighboring stacks is found to be the most favorable symmetry for superconductivity. The consequences of non uniform spin-density-wave pairing on the structure of phase diagram within the crossover region is also discussed.
Cite
@article{arxiv.cond-mat/0102139,
title = {Interplay between spin-density-wave and superconducting states in quasi-one-dimensional conductors},
author = {Raphael Duprat and C. Bourbonnais},
journal= {arXiv preprint arXiv:cond-mat/0102139},
year = {2009}
}
Comments
10 pages RevTex,4 Figures, submitted to EPJB