Roa Rojas, J., A. R. Jurelo, R. Menegotto Costa, L. Mendonca Ferreira, P. Pureur, M. T. D. Orlando, P. Prieto, and G. Nieva. "Fluctuation conductivity and the dynamical universality class of the superconducting transition in the high-Tc cuprates." Physica C: Superconductivity 341-348, no. 3 (2000): 1911–1912.
Abstract: Systematic measurements of the fluctuation conductivity in several high-temperature superconducting cuprates show the occurrence of a genuine critical regime. The conductivity exponent is consistent with the predictions of the 3D-XY universality class and yields a dynamical critical exponent z = 1.5.
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