Neutron-scattering measurements as a test of theories of high-temperature superconductivity
Pierre Bénard, Liang Chen, A.-M. S. Tremblay
DOI 10.1103/PhysRevB.47.589 · Physical Review B
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Abstract
It is shown that the Hubbard model in the intermediate-coupling regime can qualitatively explain neutron-scattering experiments in La2−xSrxCuO4 only if there are strong magnetic fluctuations in the system. By contrast, the marginal-Fermi-liquid approach explains the data without appealing at all to strong magnetic fluctuations. It is shown that the strength of the magnetic fluctuations can be estimated by detecting incommensurate peaks located near the zone center using neutron-scattering experiments.
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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