Asymptotical solution of infinite-dimensional Hubbard model

Details Asymptotical solution of infinite-dimensional Hubbard model Asymptotical solution of infinite-dimensional Hubbard model

1994-01-12

arxiv.org/abs/cond-mat/9401023v1

Physics

Condensed Matter

12 pages, no figures, Revtex 3.0. (to appear in Phys. Rev. B)

Scientific paper

10.1103/PhysRevB.49.7929

We present an asymptotically exact solution of the $\infty-d$ Hubbard model
at a special interaction strength $U_T$ corresponding to the strong-coupling
Fermi-liquid fixed point. This solution is intimately related to the Toulouse
limit of the single-impurity Kondo model and the symmetric Anderson model in
its strong-coupling limit.

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