Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1998-06-16
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 3 Postscript figures, revtex, submitted to Phys.Rev.Lett
Scientific paper
10.1103/PhysRevB.60.40
The variation of single-particle spectral functions with doping is studied numerically within the t-J model. It is shown that corresponding self energies change from local ones at the intermediate doping to strongly nonlocal ones for a weakly doped antiferromagnet. The nonlocality shows up most clearly in the pseudogap emerging in the density of states, due to the onset of short-range antiferromagnetic correlations.
Bedell Kevin
Jaklic Janez
Prelovsek Peter
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