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
Description
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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