Functional renormalization group in the two-dimensional Hubbard model

Details Functional renormalization group in the two-dimensional Hubbard model Functional renormalization group in the two-dimensional Hubbard model

2004-11-10

arxiv.org/abs/cond-mat/0411267v1

Physics

Condensed Matter

Strongly Correlated Electrons

Talk at conference 'Recent progress in many-body theories', Santa Fe, August 2004, 7 pages

Scientific paper

We review recent developments in functional renormalization group (RG) methods for interacting fermions. These approaches aim at obtaining an unbiased picture of competing Fermi liquid instabilities in the low-dimensional models like the two-dimensional Hubbard model. We discuss how these instabilities can be approached from various sides and how the fermionic RG flow can be continued into phases with broken symmetry.

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