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Pair breaking in the presence of a normal-state pseudogap in high-Tc cuprates

G. V. M. Williams, E. M. Haines, J. L. Tallon

DOI 10.1103/PhysRevB.57.146 · Physical Review B

T1

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Abstract

The effect of the normal-state pseudogap on pair breaking in the high-temperature superconducting cuprates is calculated for a d-wave superconductor with elastic scattering in the unitary limit. The predicted decline in both the superconducting transition temperature and the superfluid density are consistent with recent studies of pair breaking by Zn in underdoped and overdoped Y1−xCaxBa2(Cu1−yZny)3O7−δ.

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
Y1-xCaxBa2(Cu1-yZny)3O7-δ

Archive — visibility unverified

Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

—Pressure not reportedunknown
La2-xSrxCu1-yZnyO4

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Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

—Pressure not reportedunknown
La1.9Sr0.1CuO4

Archive — visibility unverified

Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

—Pressure not reportedunknown
La1.79Sr0.21CuO4

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Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

—Pressure not reportedunknown
YBa2Cu3O7

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Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

—Pressure not reportedunknown

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