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Type: 
Journal
Description: 
We observe the effect of non-zero magnetization m on the superconducting ground state of the one-dimensional Hubbard model with off-diagonal Coulomb repulsion X. For t/2\lesssim X\lesssim 2t/3, the system first manifests Fulde–Ferrell–Larkin–Ovchinnikov oscillations in the pair–pair correlations. For m= m 1 a kinetic energy driven macroscopic phase separation into low density superconducting domains and high density polarized walls takes place. For m> m 2 the domains fully localize, and the system eventually becomes a ferrimagnetic insulator.
Publisher: 
IOP Publishing
Publication date: 
1 Dec 2011
Authors: 

A Anfossi, C Degli Esposti Boschi, A Montorsi

Biblio References: 
Volume: 2011 Issue: 12 Pages: P12014
Origin: 
Journal of Statistical Mechanics: Theory and Experiment