Aspects of the normal state resistivity of cuprate superconductors
B. Sriram Shastry, Peizhi Mai
DOI 10.1103/PhysRevB.101.115121 · Physical Review B
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Abstract
Planar normal state resistivity data taken from three families of cuprate superconductors are compared with theoretical calculations from the recent extremely correlated Fermi liquid theory (ECFL) [B. S. Shastry, Phys. Rev. Lett. 107, 056403 (2011)]. The two hole-doped cuprate materials LSCO and BSLCO and the electron-doped material LCCO have yielded rich data sets at several densities δ and temperatures T, thereby enabling a systematic comparison with theory. The recent ECFL resistivity calculations for the highly correlated t−t′−J model by us give the resistivity for a wide set of model parameters [B. S. Shastry and P. Mai, New J. Phys. 20, 013027 (2018); P. Mai and B. S. Shastry, Phys. Rev. B 98, 205106 (2018)]. After using x-ray diffraction and angle-resolved photoemission data to fix parameters appearing in the theoretical resistivity, only one parameter, the magnitude of the hopping t, remains undetermined. For each data set, the slope of the experimental resistivity at a single temperature-density point is sufficient to determine t, and hence the resistivity on absolute scale at all remaining densities and temperatures. This procedure is shown to give a fair account of the entire data.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| La2-xSrxCuO4 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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