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 <2 Δmax, 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.
| Original language | English (US) |
|---|---|
| Article number | 094512 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 73 |
| Issue number | 9 |
| DOIs | |
| State | Published - 2006 |
| Externally published | Yes |
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