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Glassy behaviour in high-Tc superconductors

Morgenstern, Ingo ; Müller, K. A. ; Bednorz, J. G.
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Date of publication of this fulltext: 09 Aug 2010 12:42


Abstract

Numerical simulations for an XY-spin-glass model are presented. The connection to recent experiments on high-Tc superconductors is outlined. In particular, the glass behaviour in experiments is reproduced by a two-dimensional (2d) model. A phase diagram important for future experiments is also provided. A substantial gain in Tc is predicted for enhanced couplings between plains.


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