High-TC superconductivity as an indirect-exchange phenomenon—a faceted analysis

L. Jansen and R. Block

Physica A: Statistical Mechanics and its Applications, 2005, vol. 353, issue C, 235-257

Abstract: The phenomenon of high-TC superconductivity has remained a field of puzzling complexity and widely divergent interpretations. Although the number of different materials exhibiting high-TC has increased substantially, and the massive research effort has led to considerably enhanced knowledge, the phenomenon itself is still very far from a generally accepted explanation. In the present paper we review principles and progress we made over the years, following an “indirect-exchange” approach started in 1988, which has appeared to be applicable to the vast spectrum of high-TC superconductors, and which originated out of an earlier theory for low-TC superconductivity such as the elemental metals. The principal theoretical aspects of superconductivity (low- and high-TC) forming the basis of our approach are reviewed, together with a number of concepts used in the applications. Thereafter, different properties of high-TC superconductors will be treated in this context, elucidating five selected subjects: c-axis layered structures in cuprates and their maximum TC, hole-versus-electron doping in cuprates, alkali-doped C60, iodine-intercalated cuprates and compressed alkali metals.

Keywords: High-TC compounds; Indirect-exchange interactions; Critical temperatures (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:353:y:2005:i:c:p:235-257

DOI: 10.1016/j.physa.2005.01.017

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