Frustrated Kinetic Energy, the Optical Sum Rule, and the Mechanism of Superconductivity
Sudip Chakravarty, Hae-Young Kee, Elihu Abrahams
DOI 10.1103/PhysRevLett.82.2366 · Physical Review Letters
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Abstract
The basis of the interlayer tunneling theory of high-temperature superconductivity is that the electronic kinetic energy in a direction perpendicular to the copper-oxygen planes is a substantial fraction of the condensation energy. This issue is critically examined, and it is argued from a rigorous conductivity sum rule that the consequences of this theory are consistent with recent optical and penetration depth measurements.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Tl2201 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 78.7 | Pressure not reported | unknown |
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