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TT: Fachverband Tiefe Temperaturen

TT 45: Correlated Electrons: Poster Session

TT 45.33: Poster

Donnerstag, 29. März 2012, 15:00–19:00, Poster B

Low-Dimensional Chiral Physics: Magnetic Catalysis — •Daniel David Scherer and Holger Gies — Theoretisch-Physikalisches Institut, Friedrich-Schiller-Universität Jena, Jena (Germany)

Magnetic catalysis describes the enhancement of symmetry breaking quantum fluctuations in chirally symmetric quantum field theories by the coupling of fermionic degrees of freedom to a magnetic background configuration. We use the functional renormalization group to investigate this phenomenon for interacting Dirac fermions moving in 2+1 dimensional space-time and provide for a clear renormalization-group picture.