2004/11/10 by Carsten Honerkamp, Honerkamp, Carsten
Mathematics · Physics and Astronomy · #Advanced Topics in Algebra #cond-mat.str-el #cond-mat.supr-con
paper · pdf · doi:10.48550/arxiv.cond-mat/0411267
Talk at conference 'Recent progress in many-body theories', Santa Fe, August 2004, 7 pages
arxiv created 2004/11/10 · arxiv updated 2009/12/01
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.