Cumulant expansion of the periodic Anderson model in infinite dimension

Details Cumulant expansion of the periodic Anderson model in infinite dimension Cumulant expansion of the periodic Anderson model in infinite dimension

1997-08-04

arxiv.org/abs/cond-mat/9708024v1

Physics

Condensed Matter

13 pages, 7 figures.ps. To be published in J. Phys. A: Mathematical and General (1997)

Scientific paper

10.1088/0305-4470/30/22/024

The diagrammatic cumulant expansion for the periodic Anderson model with infinite Coulomb repulsion ($U=\infty $) is considered here for an hypercubic lattice of infinite dimension ($d=\infty $). The same type of simplifications obtained by Metzner for the cumulant expansion of the Hubbard model in the limit of $d=\infty $, are shown to be also valid for the periodic Anderson model.

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