Collective order-parameter modes for hypothetical p-wave superconducting states in Sr2RuO4
D. Fay, L. Tewordt
DOI 10.1103/PhysRevB.62.4036 · Physical Review B
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Abstract
We have calculated all order-parameter collective modes and their contributions to the spin and charge susceptibilities for possible p-wave pairing states in Sr2RuO4. The susceptibilities are calculated for pairing states having gaps without and with nodes, and for wave vectors q=0 and nesting vector q=Q associated with the α and β bands of Sr2RuO4. Important for the observability of the spin-fluctuation modes, for example, by spin resonance or neutron scattering, and of the charge-fluctuation modes by ultrasound, is the effect of quasiparticle damping. This effect is taken into account and discussed in connection with recent neutron-scattering data on Sr2RuO4.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1 | Pressure not reported | onset |
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