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

Research output: Contribution to journalArticle

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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 <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 languageEnglish (US)
Article number094512
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume73
Issue number9
DOIs
StatePublished - 2006
Externally publishedYes

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