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cond-mat.str-el2008★ 9 cited
The one-dimensional Kondo lattice model at quarter-filling
J. C. Xavier, E. Miranda
We revisit the problem of the quarter-filled one-dimensional Kondo lattice model, for which the existence of a dimerized phase and a non-zero charge gap had been reported in Phys.…
cond-mat.str-el2008★ 24 cited
Robust d-wave Pairing Correlations in the Heisenberg Kondo Lattice Model
J. C. Xavier, E. Dagotto
The Kondo lattice model enlarged by an antiferromagnetic coupling between the localized spins is here investigated using computational techniques. Our results suggest…
cond-mat.str-el2006★ 12 cited
Absence of a true long-range orbital order in a two-leg Kondo ladder
J. C. Xavier, A. L. Malvezzi
We investigate, through the density-matrix renormalization group and the Lanczos technique, the possibility of a two-leg Kondo ladder present an incommensurate orbital order. Our r…