Figure 9.

Robust d-wave pairing

(A) Bare susceptibility for n = 0.8.

(B) The pairing eigenvalues as a function of the interaction U_Ni for n = 0.8.

(C) The $d_{{\mathrm{x}}^2-{\mathrm{y}}^2}$-wave gap as a function doping with J₁ = J₂ = 0.1 eV. Positive (negative) values relate to electron (hole) doping.

(D) 3D illustration of $d_{{\mathrm{x}}^2-{\mathrm{y}}^2}$-wave gap. Adapted from Wu et al.⁹⁰