Spin Resonance and Magnetic Order in an Unconventional Superconductor
D. G. Mazzone, S. Raymond, J. L. Gavilano, P. Steffens, A. Schneidewind, G. Lapertot, M. Kenzelmann
DOI 10.1103/PhysRevLett.119.187002 · Physical Review Letters
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Abstract
Unconventional superconductivity in many materials is believed to be mediated by magnetic fluctuations. It is an open question how magnetic order can emerge from a superconducting condensate and how it competes with the magnetic spin resonance in unconventional superconductors. Here we study a model d-wave superconductor that develops spin-density wave order, and find that the spin resonance is unaffected by the onset of static magnetic order. This result suggests a scenario, in which the resonance in Nd0.05Ce0.95CoIn5 is a longitudinal mode with fluctuating moments along the ordered magnetic moments.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Nd0.05Ce0.95CoIn5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.8 | Pressure not reported | unknown |
| CeCoIn5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.3 | Pressure not reported | unknown |
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