619 citations
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Showing 2012 · cond-mat.str-elShow all
2 papers · 2 filters
cond-mat.str-el2012★ 10 cited
Exotic spin, charge and pairing correlations of the two-dimensional doped Hubbard model: a symmetry entangled mean-field approach
Olivier Juillet, Raymond Frésard
Intertwining of spin, charge and pairing correlations in the repulsive two-dimensional Hubbard model is shown through unrestricted variational calculations, with projected wavefunc…
cond-mat.str-el2012★ 14 cited
Exact results with the Kotliar-Ruckenstein slave-boson representation
Raymond Fresard, Thilo Kopp
Radial slave boson representations have the particular advantage that the expectation values of their respective fields are finite even without the formal introduction of spurious…