Superconductivity in striped Hubbard Clusters
Werner Fettes, Thomas Husslein, Ingo Morgenstern
Abstract
The CuO-planes of high-Tc superconductors were found to consist of geometric stripes with alternating superconducting and antiferromagnetic areas. Here we will investigate the repulsive Hubbard model of striped clusters as a possible microscopic description of the superconducting elements. The focus of our attention lies on the superconducting properties. We report in agreement with the square Hubbard model a signal in the d-wave channel and investigate its dependence on system size, cluster shape and interaction strength.
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