G. Will, N. Masciocchi, et al.
Zeitschrift fur Kristallographie - New Crystal Structures
Paper
Two-particle resonance pairing mechanism of oxide superconductivity
Abstract
The oxide superconductors La2-xSrxCuO4 and YBa2Cu3O6.5+y are treated as strongly correlated electron systems consisting of Cu ions with an on-site electron-electron interaction U of order 10 eV interacting via oxygen bands. Pairing occurs via scattering of quasiparticles into the two-particle resonance at energy U. The model is expressed in a slave-boson formalism and solved in mean field. The results explain the observed scaling of Tc with hole concentration and are consistent with other data. © 1987 The American Physical Society.
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