Physics – Condensed Matter – Superconductivity
Scientific paper
1999-08-17
Physics
Condensed Matter
Superconductivity
8 pages with 5 eps-figures, LaTeX using RevTeX, accepted by Int.J.Mod.Phys. C
Scientific paper
The high-T_c glass model can be combined with the repulsive tt'--Hubbard model as microscopic description of the striped domains found in the high-T_c materials. In this picture the finite Hubbard clusters are the origin of the d-wave pairing. In this paper we show, that the glass model can also explain the critical currents usually observed in the high-T_c materials. We use two different approaches to calculate the critical current densities of the high-T_c glass model. Both lead to a strongly anisotropic critical current. Finally we give an explanation, why we expect nonetheless a nearly perfect isotropic critical current in the high-T_c superconductors.
Fettes Werner
Husslein Thomas
Morgenstern Ingo
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