d -wave superconductivity in the large-degeneracy limit of the Anderson lattice.
d -wave superconductivity in the large-degeneracy limit of the Anderson lattice.
复制标题
安德森晶格大简并极限下的 d 波超导性。
作者:
Lavagna;Millis;Lee
We show, within a Kondo-boson 1/N expansion, that the infinite-U lattice Anderson model is unstable to d-wave superconductivity in the limit in which the model describes heavy-fermion behavior. The pairing mechanism is Kondo-boson exchange between heavy quasiparticles found in mean-field theory. The model is extended to include the Coulomb pseudopotential.