THEORY OF THE PSEUDOGAP IN HIGH-T-C SUPERCONDUCTORS

Authors
Citation
Dj. Newman et B. Ng, THEORY OF THE PSEUDOGAP IN HIGH-T-C SUPERCONDUCTORS, Physical review. B, Condensed matter, 55(5), 1997, pp. 2792-2795
Citations number
18
Categorie Soggetti
Physics, Condensed Matter
ISSN journal
01631829
Volume
55
Issue
5
Year of publication
1997
Pages
2792 - 2795
Database
ISI
SICI code
0163-1829(1997)55:5<2792:TOTPIH>2.0.ZU;2-Y
Abstract
Several different experimental techniques have confirmed the existence of a ''pseudogap'' in normal high-T-c superconductors with low hole d ensities. Previous quasispin Monte Carlo simulations by the authors ha ve shown that a planar one-band model of the oxygen lattice, with a lo cal pairing interaction, produces uncorrelated bound hole pairs above the superconducting transition temperature when the hole densities are low. Results of normal-state simulations are reported in this work. T hey provide evidence for the identification of the binding energy of i ntraplanar uncorrelated hole pairs with the observed pseudogap.