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Pair breaking as a probe of d-wave high-temperature superconductivity

Authors:	Howard A. Blackstead and John D. Dow

Affiliation:	(1) Department of Physics, University of Notre Dame, 46556 Indiana, Notre Dame;(2) Department of Physics and Astronomy, Arizona State University, 85287-1504 Tempe, Arizona

Abstract:	A unified picture is obtained of the Cooper pair-breaking data by Cu-site Zn and Ni in Nd_2–zCe_zCuO₄, La_2–SrCuO₄, Bi₂Sr₂CaCu₂O₈, Bi_1.8Pb_0.2Sr₂Ca₂Cu₃O₁₀, YBa₂Cu₃O₇, and YBa₂Cu₄O₈. The data are generally inconsistent with spin-fluctuation d-wave pairing mechanisms of superconductivity and with all two-dimensional cuprate-plane models. The data are consistent with superconductivity in the charge reservoirs.

Keywords:	Pair breaking d-wave superconductivity charge reservoir superconductivity
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