Limitations of the mean field slave-particle approximations
Strongly Correlated Electrons
2009-11-10 v1 Superconductivity
Abstract
We show that the transformation properties of the mean field slave boson/fermion order parameters under an action of the global SU(2) group impose certain restrictions on their applications to describe the phase diagram of the t-J model.
Cite
@article{arxiv.cond-mat/0406697,
title = {Limitations of the mean field slave-particle approximations},
author = {E. A Kochetov and A. Ferraz},
journal= {arXiv preprint arXiv:cond-mat/0406697},
year = {2009}
}
Comments
to appear in Phys. Rev. B