Superconductivity and spin-density waves
L. L. Daemen, A. W. Overhauser
DOI 10.1103/PhysRevB.39.6431 · Physical Review B
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Abstract
Superconductivity in a metal with a spin-density-wave (SDW) broken symmetry is investigated within the framework of the Bardeen-Cooper-Schrieffer (BCS) theory. The gap equation is solved analytically, leading to a gap that falls to zero at the SDW gap for a spiral SDW, and to a small, but nonzero value, for a linear SDW. The electronic specific heat in the superconducting state acquires a low-temperature tail, far in excess of a BCS exponential falloff. The ultrasonic attenuation exhibits a similar deviation from the usual BCS result.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Pb Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 7.2 | Pressure not reported | unknown |
| PbIn0.06 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| UBe13 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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