Infrared conductivity of cuprate metals: Detailed fit using Luttinger-liquid theory
P. W. Anderson
DOI 10.1103/PhysRevB.55.11785 · Physical Review B
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Abstract
Measurements of infrared conductivity in the normal state of the cuprate layer metals show a characteristic behavior in the plane of the layers which is in essential agreement among many experiments. A simple parametrization of this behavior, proposed originally by Collins and Schlesinger, and exploited by Bontemps and her group, which gives an adequate fit over frequencies from a few hundred cm−1 to >5000 cm−1, is that the phase angle of the complex conductivity is independent of frequency. This fit is shown to be a natural consequence of Luttinger-liquid theory with charge-spin separation, and determines the exponent of the singularity at the Fermi surface to be ∼0.15±0.05.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBCO Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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