Comment on ``Quantitative Model for the Superconductivity Suppression in R${}_{1-x}$Pr${}_x$Ba${}_2$Cu${}_3$O${}_7$ with Different Rare Earths''

Abstract

We argue that an effective single-particle model to explain the destructive role of Pr on superconductivity in PrBa${}_2$Cu${}_3$O${}_7$, is inconsistent with the experimental ac conductivity in that compound.

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