GLASS MODEL, HUBBARD MODEL AND HIGH-TEMPERATURE SUPERCONDUCTIVITY

Ingo Morgenstern, Werner Fettes (), Thomas Husslein, Dennis M. Newns and Pratap C. Pattnaik
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Ingo Morgenstern: Fakultät für Physik, Universtät Regensburg, 93053 Regensburg, Germany
Werner Fettes: Fakultät für Physik, Universtät Regensburg, 93053 Regensburg, Germany
Thomas Husslein: Fakultät für Physik, Universtät Regensburg, 93053 Regensburg, Germany
Dennis M. Newns: IBM T.J. Watson Research Center, P.O. Box 218, Yorktown Heights, NY 10598, USA
Pratap C. Pattnaik: IBM T.J. Watson Research Center, P.O. Box 218, Yorktown Heights, NY 10598, USA

International Journal of Modern Physics C (IJMPC), 1999, vol. 10, issue 01, 309-320

Abstract: In this paper we revisit the glass model describing the macroscopic behavior of the High-Temperature superconductors. We link the glass model at the microscopic level to the striped phase phenomenon, recently discussed widely. The size of the striped phase domains is consistent with earlier predictions of the glass model when it was introduced for High-Temperature Superconductivity in 1987. In an additional step we use the Hubbard model to describe the microscopic mechanism ford-wave pairing within these finite size stripes.We discuss the implications for superconducting correlations of the Hubbard model, which are much higher for stripes than for squares, for finite size scaling, and for the new view of the glass model picture.

Keywords: High-Tc; Superconductivity; Glass model; Hubbard model; Finite size scaling; Pseudo-Gap (search for similar items in EconPapers)
Date: 1999
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DOI: 10.1142/S0129183199000218

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