Toward a theory of high-temperature superconductivity in the antiferromagnetically correlated cuprate oxides

P. Monthoux; A. V. Balatsky; D. Pines

doi:10.1103/PhysRevLett.67.3448

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Toward a theory of high-temperature superconductivity in the antiferromagnetically correlated cuprate oxides

P. Monthoux, A. V. Balatsky, D. Pines

DOI 10.1103/PhysRevLett.67.3448 · Physical Review Letters

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Abstract

We show that the retarded interaction between quasiparticiles on a 2D square lattice induced by the exchange of antiferromagnetic paramagnons leads uniquely to a transition to a superconducting state with dx2-y2 symmetry. With a spin-excitation spectrum and a quasiparticle-paramagnon coupling determined by fits to normal-state experiments, we obtain high transition temperatures and energy-gap behaviors comparable to those measured for YBa2Cu3O7, YBa2Cu3O6.63, and La1.85Sr0.15CuO4.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	95	Pressure not reported	onset
YBa2Cu3O6.63 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	60	Pressure not reported	onset
La1.85Sr0.15CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	40	Pressure not reported	onset