Effects of Anisotropy in (2+1)-dimensional QED

الأصل · EN

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