Spin Gaps in High Temperature Superconductors

A. J. Millis; L. B. Ioffe; H. Monien

doi:10.1016/0022-3697(95)00140-9

paper

Spin Gaps in High Temperature Superconductors

arXiv:cond-mat/9503115 · doi:10.1016/0022-3697(95)00140-9

Abstract

The phenomenology and theory of spin gap effects in high temperature superconductors is summarized. It is argued that the spin gap behavior can only be explained by a model of charge 0 spin 1/2 fermions which become paired into singlets and that there are both theoretical and experimental reasons for believing that the pairing is greatly enhanced in the bilayer structure of the $Y B a_{2} C u_{3} O_{6 + x}$ system. This article will appear in the Proceedings of the Stanford Conference on Spectroscopies in Novel Superconductors. To obtain postscript files containing the figures send mail to [email protected].

9 pages, revtex. To obtain figures contact [email protected]

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