The Hubbard model at half-filling, part III: the lower bound on the self-energy

Jacques Magnen; Stephane Afchain; Vincent Rivasseau

arxiv: cond-mat/0412401 · v1 · submitted 2004-12-15 · ❄️ cond-mat.str-el · cond-mat.supr-con

The Hubbard model at half-filling, part III: the lower bound on the self-energy

Stephane Afchain , Jacques Magnen , Vincent Rivasseau This is my paper

classification ❄️ cond-mat.str-el cond-mat.supr-con

keywords boundhalf-fillinghubbardlowermodelself-energycompletederivative

0 comments

read the original abstract

We complete the proof that the two-dimensional Hubbard model at half-filling is not a Fermi liquid in the mathematically precise sense of Salmhofer, by establishing a lower bound on a second derivative in momentum of the first non-trivial self-energy graph.

This paper has not been read by Pith yet.

The Hubbard model at half-filling, part III: the lower bound on the self-energy

discussion (0)