Superconductivity in the dilute electron gas
S. Küchenhoff, P. Wölfle
DOI 10.1103/PhysRevB.38.935 · Physical Review B
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Abstract
We determine the effective interaction of quasiparticles on the Fermi surface for the electron gas in a rigid positive background. The quasiparticle scattering amplitude is calculated from the two coupled Bethe-Salpeter equations for the two-particle vertex functions in the particle-hole (p−h) channels for densities from rs=1 to rs=37. The density and spin-density mean fields are fitted to the compressibility and spin susceptibility of Green's-function Monte Carlo calculations and the local-field factors G(q) of microscopic models. We find p-wave superconductivity for 10<rs<35 and s-wave superconductivity for rs>35.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| La2CuO4 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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