Pseudogap enhancement due to magnetic impurities in d-density waves

Details Pseudogap enhancement due to magnetic impurities in d-density waves Pseudogap enhancement due to magnetic impurities in d-density waves

2006-06-07

arxiv.org/abs/cond-mat/0606176v1

Phys. Rev. B 75, 132504 (2007)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 3 figures

Scientific paper

10.1103/PhysRevB.75.132504

We study the effect of quantum magnetic impurities on d-wave spin density waves (d-SDW). The impurity spins are aligned coherently according to the spin space anisotropy of the condensate. Both the order parameter and transition temperature increases due to the coherent interplay between magnetic scatterers and d-SDW. This can explain the recent experimental data on the pseudogap enhancement of Ni substituted NdBa_2{Cu_{1-y}Ni_y}O_6.8 from Pimenov et al. (Phys. Rev. Lett. 94, 227003 (2005)).

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