Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2007-12-27
Path Integrals - New Trends and Perspectives, World Scientific, Singapore, 2008
Physics
Condensed Matter
Disordered Systems and Neural Networks
Proceedings for Path Integrals 2007; 8 pages
Scientific paper
In contrast to standard critical phenomena, disordered systems need to be treated via the Functional Renormalization Group. The latter leads to a coarse grained disorder landscape, which after a finite renormalization becomes non-analytic, thus overcoming the predictions of the seemingly exact dimensional reduction. We review recent progress on how the non-analytic effective action can be measured both in simulations and experiments, and confront theory with numerical work.
Doussal Pierre Le
Wiese Kay Joerg
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