Phase structure of Topologically massive gauge theory with fermion
classification
✦ hep-th
hep-ph
keywords
anomalousdimensionfermiongaugetheoryapproximationbloch-nordsieckchern-simon
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Using Bloch-Nordsieck approximation fermion propagator in 3-dimensional gauge theory with topological mass is studied. Infrared divergence of Chern-Simon term is soft,which modifies anomalous dimension. In unquenched QCD with 2-component spinor anomalous dimension has fractional value,where order parmeter is divergent.
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