Parity Symmetry in QED3

Details Parity Symmetry in QED3 Parity Symmetry in QED3

2010-10-06

arxiv.org/abs/1010.1244v1

Phys.Rev.D83:065006,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 5 figures

Scientific paper

10.1103/PhysRevD.83.065006

Schwinger-Dyson equations are used to study spontaneous chiral and parity symmetry breaking of three dimensional quantum electrodynamics with two-component fermions. This theory admits a topological photon mass that explicitly breaks parity symmetry and generates a fermion mass. We show that the pattern of symmetry breaking maintains parity but breaks chiral symmetry. We also find that chiral symmetry is restored at a critical number of fermion flavours in our truncation scheme. The Coleman-Hill theorem is used to demonstrate that the results are reasonably accurate.

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