Theory of the spin gap in high-temperature superconductors
B. L. Altshuler, L. B. Ioffe, A. J. Millis
DOI 10.1103/PhysRevB.53.415 · Physical Review B
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Abstract
We analyze pairing in two-dimensional spin liquids. We argue that interplane pairing enhanced by magnetic correlations is the most plausible explanation of the spin-gap phenomenon observed in underdoped cuprates. The details of the pairing theory depend on the in-plane antiferromagnetic correlations. We consider two models: 2pF correlations induced by a strong gauge-field interaction and undamped spin waves. We estimate the pairing temperature Ts and the angular dependence of the gap function and discuss physical consequences. © 1996 The American Physical Society.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu4O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 80 | Pressure not reported | unknown |
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