Abstract
We review the formalism for calculating the properties of systems represented by an Anderson lattice Hamiltonian. First, a mean-field theory for the one electron Green’s function is presented and then extended to include spin and charge fluctuations which lead to a many-body resonance near the Fermi level. The dynamical spin susceptibility and neutron scattering cross section are also evaluated. Finally, we present a calculation which indicates the possibility of a Cooper-pairing mechanism induced by electron correlations.
Work supported by the U.S. Department of Energy.
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Fedro, A.J., Sinha, S.K. (1984). Theory of Elementary Excitations in Intermediate Valence Materials. In: Buyers, W.J.L. (eds) Moment Formation In Solids. NATO ASI Series, vol 117. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-1538-5_7
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DOI: https://doi.org/10.1007/978-1-4757-1538-5_7
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