Abstract
A superconducting glass model with unidirectional correlated disorder is studied via extensive Monte Carlo simulations in two and three dimensions. A calculation of the magnetic fluctuations shows two dissipation peaks at temperatures T1 and T2, with T1<T2<Tc. Results for the 3D phase correlation functions indicate that the T-<T1 phase is less ordered than the T1<T+ phase. The T1 transition is found to be due to an enhancement of short-range phase correlations, while the one at T2 is longer ranged. The possible connection of these results to recent experiments in high-Tc oxide superconductors is discussed.
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