Superconductivity in the Anderson Lattice
Abstract
Using an anisotropic hybridization matrix element, V( k), reflecting cubic symmetry at the ``rare-earth'' sites of the infinite U Anderson lattice, we calculate the bare quasiparticle scattering amplitude to order 1/N using slave Bosons and find significant differences with previous results under spherical symmetry. Due to exchange of density fluctuations, we find an instability. toward Eg and T1g (even-parity) pairing.
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