Angle-resolved study of density-waves, superconductivity and pseudogap in two dimensions

Details Angle-resolved study of density-waves, superconductivity and pseudogap in two dimensions Angle-resolved study of density-waves, superconductivity and pseudogap in two dimensions

2002-11-20

arxiv.org/abs/cond-mat/0211431v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 2 figures

Scientific paper

Weakly correlated electrons on a square lattice are studied by angle-resolved functional renormalization group. Upon renormalization the interaction starts to depend on momenta and has pole-like solutions near a doping-dependent characteristic critical energy scale. Near half-filling this scale is the pseudogap temperature T*. In the overdoped regime the critical scale is the mean-field like critical temperature for d-wave superconductivity.

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