Abstract

It is shown that arrays of edge dislocations with parallel Burgers vectors in the slip plane can lead to significant local changes in the transition temperature Tc of the deformed crystals of high-temperature superconductors. These changes are due to the redistribution of free charge carriers in the elastic strain fields of the ionic crystal lattice and a strong nonmonotonic dependence of Tc on the concentration of charge carriers if the characteristic length of dislocation arrays is much larger than the coherence length and screening radius.

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