Triplet superconductivity in a 1D itinerant electron system with transverse spin anisotropy
Strongly Correlated Electrons
2009-11-11 v1 Superconductivity
Abstract
In this paper we study the ground state phase diagram of a one-dimensional t-J-U model away from half-filling. In the large-bandwidth limit and for ferromagnetic exchange with easy-plane anisotropy a phase with gapless charge and massive spin excitations, characterized by the coexistence of triplet superconducting and spin density wave instabilities is realized in the ground state. With increasing ferromagnetic exchange transitions into a ferrometallic and then a spin gapped triplet superconducting phase take place.
Cite
@article{arxiv.cond-mat/0603504,
title = {Triplet superconductivity in a 1D itinerant electron system with transverse spin anisotropy},
author = {C. Dziurzik and G. I. Japaridze and A. Schadschneider and I. Titvinidze and J. Zittartz},
journal= {arXiv preprint arXiv:cond-mat/0603504},
year = {2009}
}
Comments
11 pages, 10 figures, accepted for publication in Eur. Phys. J. B