Stability of the d-wave pairing with respect to the intersite Coulomb repulsion in cuprate superconductors

Abstract

Within the spin-fermion model for cuprate superconductors, the influence of the intersite Coulomb interactions $V_2$ and $V_2^{\prime }$ between holes located at the next-nearest-neighbor oxygen ions of CuO${}_2$ plane on the implementation of the d_{x^2-y^2}-wave pairing is studied. It is shown that d-wave pairing can be suppressed only for unphysically large values of $V_2$ and $V_2^{\prime }$.

5 pages, 2 figures

References in corpus (1)

• Stability of the superconducting $d_{x^2-y^2}$-wave pairing towards the intersite Coulomb repulsion between oxygen holes in high-T${}_c$ superconductors

Cited by in corpus (2)

• Spectral characteristics of the antiferromagnetic spin-1/2 Heisenberg model on the square lattice in a magnetic field
• Effect of Coulomb repulsion on the London penetration depth in cuprate superconductors