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VOLUME 81 (2005) | ISSUE 1 | PAGE 43
Irradiation-induced suppression of the critical temperature in high-Tc superconductors: Pair breaking versus phase fluctuations
PACS: 74.20.-z, 74.25.Fy, 74.62.Dh, 74.72.Bk
Abstract
Experiments on the irradiation-induced suppression of the critical temperature in high-Tc superconductors are analyzed within the mean-field Abrikosov-Gor'kov-like approach. It is shown that the experimental data for YBa2Cu3O7-δ single crystals can be quantitatively explained by the pair breaking effects under the assumption of the combined effect of potential and spin-flip scattering on the critical temperature and with account for a non-pure d-wave superconducting order parameter.