Interlayer conductivity in the superconductorEnergetics and energy scales
- 1 March 2000
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 61 (9) , 5930-5933
- https://doi.org/10.1103/physrevb.61.5930
Abstract
We report on infrared studies of the c-axis electrodynamics of crystals. A sum-rule analysis reveals spectral weight shifts that can be interpreted as a kinetic energy change at the superconducting transition. In optimally doped crystals, showing an incoherent normal-state response, the kinetic energy is lowered at but no significant change is found in the overdoped samples, which have more coherent conductivity at
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