82 citations · 969 across the 61 of their papers we have counts for
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cond-mat.str-el1998
Dynamical Model and Path Integral Formalism for Hubbard Operators
A. Foussats, A. Greco, O. S. Zandron
In this paper, the possibility to construct a path integral formalism by using the Hubbard operators as field dynamical variables is investigated. By means of arguments coming from…
cond-mat.supr-con1998★ 18 cited
Effective interactions and superconductivity in the t-J model in the large-N limit
R. Zeyher, A. Greco
The feasibility of a perturbation expansion for Green's functions of the t-J model directly in terms of X-operators is demonstrated using the Baym- Kadanoff functional method. As a…