Abstract
Doping treatments are of decisive significance in the creation of cuprate high-Tc superconductivity and the rich phase diagrams of these systems. Basing on recent experimental data and reflecting the essential role of doping a two-component scenario of cuprate superconductivity is now being developed[l-8]. It proposes the participation of two different electron subsystems in the basic superconductivity physics. One of them is of itinerant, and the other of doping-created defect nature. This is a coherently evolving and functioning hybridized symbiosis of antiferromagnetic and metallic components incorporating a hole-type itinerant band (O pXjy plus O pz and Cu dx2-y2 mixture) and a narrow distribution of defect (hole) induced states. This picture leaves freedom for the nature of the superconductivity micromechanism to remain under debate. However it becomes clear that the corresponding theories must exploit a doping-variable electronic spectrum.
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Kristoffel, N., Rubin, P. (2002). Pair-Transfer Superconductivity on Doping Determined Bands and the Pseudogap. In: Annett, J.F., Kruchinin, S. (eds) New Trends in Superconductivity. NATO Science Series, vol 67. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0544-9_12
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