Pseudogap in 1d revisited

Details Pseudogap in 1d revisited Pseudogap in 1d revisited

1998-04-29

arxiv.org/abs/cond-mat/9804318v2

Phys. Rev. B 59, 1358 (1999)

Physics

Condensed Matter

Final version to appear in PRB

Scientific paper

10.1103/PhysRevB.59.1358

Two decades ago, Sadovskii found an exact solution of a model describing a pseudogap in electron energy spectrum (first introduced by Lee, Rice and Anderson). The discovery of a pseudogap in high-Tc superconductors has revived the interest to his exact solution. I review the model with the emphasis on physical content, point out an error in the original Sadovskii's solution and explain which problem he actually solved. A recent incorporation of Sadovskii's ideas into a description of "hot spots" on the Fermi surface in cuprate superconductors (Schmalian, Pines and Stojkovic) is briefly discussed.

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