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English

Properties of high-TC copper oxides from the nearly-free-electron model

Published inPhysical review. B, Condensed matter and materials physics, vol. 76, no. 14, 140504R
Publication date2007
Abstract

The generic band structure of high-TC copper oxides is simulated by the nearly-free-electron model in two dimensions with parameters from ab-initio linear muffin-tin orbital calculations. Interaction between phonons and spin waves will cause potential modulations, and pseudogaps and the strength of the modulations, the wavelengths, and the doping are all related. A Fermi-surface “arc” is found for dynamic spin and phonon waves. The confinement of superconductivity between two limiting dopings can be a result of competition with the pseudogap at low doping and weak coupling at high doping.

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Citation (ISO format)
JARLBORG, Thomas N. Properties of high-T<sub>C</sub> copper oxides from the nearly-free-electron model. In: Physical review. B, Condensed matter and materials physics, 2007, vol. 76, n° 14, p. 140504R. doi: 10.1103/PhysRevB.76.140504
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ISSN of the journal1098-0121
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