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Near-degeneracy of several pairing channels in multiorbital models for the Fe-pnictides
S. Graser, T. A. Maier, P. J. Hirschfeld +1
Weak-coupling approaches to the pairing problem in the iron pnictide superconductors have predicted a wide variety of superconducting ground states. We argue here that this is due…
Magnetic correlations on the full chains of Ortho-II YBaCuO
W. Chen, P. J. Hirschfeld
We propose that the NMR line shape on the chain Cu in the stoichiometric high- superconductor Ortho-II YBaCuO is determined by the magnetization induced on Cu…
Inversion of specific heat oscillations with in-plane magnetic field angle in 2D d-wave superconductors
G. R. Boyd, P. J. Hirschfeld, I. Vekhter +1
Experiments on several novel superconducting compounds have observed oscillations of the specific heat when an applied magnetic field is rotated with respect to the crystal axes. T…
Imaging the impact on cuprate superconductivity of varying the inter-atomic distances within individual crystal unit-cells
J. A. Slezak, Jinho Lee, M. Wang +7
Many theoretical models of high temperature superconductivity focus only on the doping dependence of the CuO2 plane electronic structure. But such models are manifestly insufficien…
Effect of dopant atoms on local superexchange in cuprate superconductors: a perturbative treatment
Kateryna Foyevtsova, Roser Valenti, P. J. Hirschfeld
Recent scanning tunneling spectroscopy experiments have provided evidence that dopant impurities in high- Tc superconductors can strongly modify the electronic structure of the CuO…
Extinction of impurity resonances in large-gap regions of inhomogeneous d-wave superconductors
Brian M. Andersen, S. Graser, P. J. Hirschfeld
Impurity resonances observed by scanning tunneling spectroscopy in the superconducting state have been used to deduce properties of the underlying pure state. Here we study a longs…