Influence of magnetic imperfections on the low-temperature properties of d-wave superconductors.

@article{Balatsky1994InfluenceOM,
  title={Influence of magnetic imperfections on the low-temperature properties of d-wave superconductors.},
  author={Balatsky and Monthoux and Alexander Pines},
  journal={Physical review. B, Condensed matter},
  year={1994},
  volume={50 1},
  pages={
          582-585
        }
}
We consider the influence of planar ``magnetic"imperfections which destroy the local magnetic order, such as Zn impurities or $Cu^{2+}$ vacancies, on the low temperature properties of the cuprate superconductors. In the unitary limit, at low temperatures, for a $d_{x^2-y^2}$ pairing state such imperfections produce low energy quasiparticles with an anistropic spectrum in the vicinity of the nodes. We find that for the $La_{2-x}Sr_xCuO_4$ system, one is in the {\em quasi-one-dimensional} regime… CONTINUE READING

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