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10 papers · 2 filters
Magnetism and spin-fluctuation induced superconductivity in ruthenates
I. I. Mazin, D. J. Singh
This talk summarizes the results published in cond-mat/9703068 (PRL 79,733, 1997) and in cond-mat/9702168 (PR56, 2556, 1997). New results regarding c-dispersion as measered by de H…
Evolution of Magnetic and Superconducting Fluctuations with Doping of High-Tc Superconductors
G. Blumberg, M. Kang, M. V. Klein +2
Electronic Raman scattering from high- and low-energy excitations was studied as a function of temperature, extent of hole doping, and energy of the incident photons in Bi_2Sr_2CaC…
Evolution of Magnetic and Superconducting Fluctuations with Doping of High-Tc Superconductors (An electronic Raman scattering study)
G. Blumberg, M. V. Klein, K. Kadowaki +3
For YBa_2Cu_3O_{6+δ} and Bi_2Sr_2CaCu_2O_8 superconductors, electronic Raman scattering from high- and low-energy excitations has been studied in relation to the hole doping level,…
Where are holes in Y_{1-x}Pr_xBa2Cu3O7 ?
I. I. Mazin, A. I. Liechtenstein
Recent experiments by Mertz et al (Phys. Rev. B55, 9160, 1997) demonstrated that the loss of superconductivity upon Pr doping is associated with the change of the character of the…
Coupled electrons and pair fluctuations in two dimensions: a transition to superconductivity in a conserving approximation
J. J. Deisz, D. W. Hess, J. W. Serene
We report on a fully self-consistent determination of a phase transition to a superconducting state in a conserving approximation. The transition temperature calculated for a two-d…
Phenomenological interpretations of the ac Hall effect in the normal state of YBa2Cu3O7
Anatoley T. Zheleznyak, Victor M. Yakovenko, H. D. Drew +1
Ac and dc magnetotransport data in the normal state of YBa2Cu3O7 are analyzed within Fermi-liquid and non-Fermi-liquid models. In the Fermi-liquid analysis we use the Fermi surface…