Theory of two-fluid metallicity in superconducting FeSe at high pressure
L. Craco, S. Leoni
DOI 10.1103/PhysRevB.100.121101 · Physical Review B
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Abstract
We compute the two-fluid resistivity of a compressed FeSe superconductor, treating electronic correlations within density functional dynamical mean-field theory. Results for the emergent strange and bad metal behavior shows good theory-experiment agreement within the mixed tetragonal and pseudohexagonal structural phases at pressures around 8.1 GPa. Our findings call for more studies on unconventional high-temperature (high-Tc) superconductors to unearth the consequences of selective Mott localization as the prominent candidate in governing their strange, T-linear resistivity.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| FeSe Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 20 | 4.2 GPa | unknown |
| FeSe Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | 8.1 GPa | unknown |
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