Frustrated kinetic energy, the optical sum rule, and the mechanism of superconductivity

Abstract

The theory that the change of the electronic kinetic energy in a direction perpendicular to the CuO-planes in high-temperature superconductors is a substantial fraction of the condensation energy is examined. It is argued that the consequences of this theory based on a rigorous $c$-axis conductivity sum rule are consistent with recent optical and penetration depth measurements.

4 pages (RevTeX) and 2 eps figures

References in corpus (3)

• Global and Local Measures of the Intrinsic Josephson Coupling in Tl2Ba2CuO6
• c-axis electrodynamics of ybco
• c-axis penetration depth of Hg-1201 single crystals

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