Abstract
We summarize our results for the impact of anisotropic fermionic velocities in (2+1)-dimensional QED on the critical number of fermion flavors, Nfc, and dynamical mass generation. We apply different approximation schemes for the gauge boson vacuum polarization and the fermion–boson vertex to analyze the Dyson–Schwinger equations in a finite volume. Our results point toward large variations of Nfc away from the isotropic point in agreement with other approaches.
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