Critical behaviour of (2+1)-dimensional QED: 1/N-corrections
1 Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Russia
2 Sorbonne Universités, UPMC Univ Paris 06, UMR 7589, LPTHE, F-75005, Paris, France
CNRS, UMR 7589, LPTHE, F-75005, Paris, France
3 CNRS, UMR 7589, LPTHE, F-75005, Paris, France
Published online: 27 March 2017
We present recently obtained results for dynamical chiral symmetry breaking studied within (2 + 1)-dimensional QED with N four-component fermions. The leading and next-to-leading orders of the 1/N expansion are computed exactly in an arbitrary non-local gauge.
© The Authors, published by EDP Sciences, 2017
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