A New Phase Diagram for the t-J Model
Strongly Correlated Electrons
2009-10-28 v1
Abstract
We study the so-called nonmagnetic phases (dimer and flux states) in the t-J model below half filling. We present a new phase diagram, at zero and finite temperature, that includes broad areas of phase coexistence (dimer-flux or flux-uniform), in accordance with experimental and numerical data on the possibility of separation into hole-rich and hole-poor regions. We also briefly comment on some techniques used in the literature to discuss phase separation in the t-J model.
Cite
@article{arxiv.cond-mat/9610172,
title = {A New Phase Diagram for the t-J Model},
author = {Elisa Ercolessi and Pierbiagio Pieri and Marco Roncaglia},
journal= {arXiv preprint arXiv:cond-mat/9610172},
year = {2009}
}
Comments
17 pages, Latex, 6 figures