Critical Behavior of ($2 + 1$)-Dimensional QED: $1/N$ Expansion

Anatoly V. Kotikov , Sofian Teber (1)

1 LPTHE - Laboratoire de Physique Théorique et Hautes Energies

We present recent results on dynamical chiral symmetry breaking in (2 + 1)-dimensional QED with N four-component fermions. The results of the 1 / N expansion in the leading and next-to-leading orders were found exactly in an arbitrary nonlocal gauge.

Mots clés: (2+1)-dimensional QED; dynamical chiral symmetry breaking; 1/<i>N</i> expansion; non-local gauge; symmetry breaking: chiral; gauge: nonlocal; quantum electrodynamics; expansion 1/N; critical phenomena

Domaines: Physique des Hautes Energies - Phénoménologie [hep-ph]

Anatoly V. Kotikov, Sofian Teber. Critical Behavior of ($2 + 1$)-Dimensional QED: $1/N$ Expansion. Particles, 2020, 3 (2), pp.345-354. ⟨10.3390/particles3020026⟩. ⟨hal-02564766⟩