Influence of Finite Chemical Potential on Critical Boson Mass in QED3

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Using the coupled Dyson-Schwinger equation for the fermion propagator at finite chemical potential μ,we investigate the fermion chiral condensate when the gauge boson mass is nonzero in QED3. We show that the chiral symmetry restores when the boson mass is large enough, and the critical boson mass depends little on μ.
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