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Phase Structure of Topologically Massive Gauge Theory with Fermion

    https://doi.org/10.1142/9789814329521_0047Cited by:0 (Source: Crossref)
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    Abstract:

    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.