Eliashberg-type equations for correlated superconductors
Karol I. Wysokinski
DOI 10.1103/PhysRevB.54.3553 · Physical Review B
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Abstract
The derivation of the Eliashberg-type equations for a superconductor with strong electron correlations and electron-phonon interaction has been presented. The proper account of short range Coulomb interactions results in strongly anisotropic equations. Possible symmetries of the order parameter include s, p, and d wave. We found the carrier concentration dependence of the coupling constants corresponding to these symmetries. At low hole doping the d-wave component is the largest one. © 1996 The American Physical Society.
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