Quasiparticles in high-temperature superconductors: Consistency of angle-resolved photoemission and optical conductivity
A. J. Millis, H. D. Drew
DOI 10.1103/PhysRevB.67.214517 · Physical Review B
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Abstract
The consistency of angle-resolved photoemission and optical conductivity experiments on high-temperature superconductors is examined. In the limit (apparently consistent with angle-resolved photoemission data) of an electron self-energy with a weak momentum dependence and a strong frequency dependence formulas are derived which directly related quantities measured in the two experiments. Application of the formuals to optimally and overdoped Bi2Ca2SrCu2O8+δ shows that the total self-energy inferred from photoemission measurements cannot be interpreted as a transport scattering rate (in agreement with work of Varma and Abrahams), but that the inelastic part may be so interpreted, if Landau parameter effects are non-negligible.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Ca2SrCu2O8+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| Bi2Ca2SrCu2O8 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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