Abstract
We outline the auxiliary boson approach to the one band and two band Hubbard model. In this framework we find Fermi. Liquid and Non Fermi Liquid behavior in different regions of the phase diagram. Differences and similarities with the heavy Fermion problem are emphasized.
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© 1989 Springer-Verlag Berlin Heidelberg
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Kotliar, G. (1989). Fermi Liquid and Non Fermi Liquid Phases of the Extended Hubbard Model. In: Kamimura, H., Oshiyama, A. (eds) Mechanisms of High Temperature Superconductivity. Springer Series in Materials Science, vol 11. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-74407-5_7
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DOI: https://doi.org/10.1007/978-3-642-74407-5_7
Publisher Name: Springer, Berlin, Heidelberg
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