Resonance mode in B1g Raman scattering: A way to distinguish between spin-fluctuation and phonon-mediated d-wave superconductivity
A. V. Chubukov, T. P. Devereaux, M. V. Klein
DOI 10.1103/PhysRevB.73.094512 · Physical Review B
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Abstract
We argue that Raman scattering in B1g symmetry allows one to distinguish between phonon-mediated and magnetically mediated d-wave superconductivity. In spin-mediated superconductors, B1g Raman intensity develops a resonance at a frequency Ωres<2Δmax, whose origin is similar to a neutron resonance. In phonon-mediated d-wave superconductors, such a resonance does not develop. Several extensions of the argument are presented.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2CaCu2O8+x Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| Bi2Sr2CaCu2O8+x 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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