Possibility of reconciliation on the type of the order parameter in high-temperature superconductors

A. A. Abrikosov

doi:10.1103/PhysRevB.51.11955

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Possibility of reconciliation on the type of the order parameter in high-temperature superconductors

A. A. Abrikosov

DOI 10.1103/PhysRevB.51.11955 · Physical Review B

T1

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Abstract

A model of high-Tc superconductivity is proposed based on the following assumptions: (a) There are extended saddle-point singularities in the spectrum of electrons with a strongly enhanced density of states; (b) the interaction between electrons consists of a large and long-ranged phonon attraction and a small and short-ranged repulsion. It is shown that this model, having properties of both the s-wave and the d-wave approaches, can effectively explain most of the rather contradictory properties of these substances.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
YBCO Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
BiSCCO Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
HgBCCO Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown