On representation of the t-J model via spin-charge variables
Condensed Matter
2009-10-30 v1
Abstract
We show that the t-J Hamiltonian is not in general reduced to H(S,f), where S and f stand for independent ([S,f]=0) SU(2) (spin) generators and spinless fermionic (hole) field, respectively. The proof is based upon an identification of the Hubbard operators with the generators of the su(2|1) superalgebra in the degenerate fundamental representation and ensuing SU(2|1) path integral representation of the partition function.
Keywords
Cite
@article{arxiv.cond-mat/9701220,
title = {On representation of the t-J model via spin-charge variables},
author = {Evgueni Kochetov and Vladimir Yarunin},
journal= {arXiv preprint arXiv:cond-mat/9701220},
year = {2009}
}
Comments
15 pages, latex, no figures