87 citations · 760 across the 34 of their papers we have counts for
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Critical behaviour of reduced QED and dynamical fermion gap generation in graphene
A. V. Kotikov, S. Teber
The dynamical generation of a fermion gap in graphene is studied at the infra-red Lorentz-invariant fixed point where the system is described by an effective relativistic-like fiel…
New results for a two-loop massless propagator-type Feynman diagram
A. V. Kotikov, S. Teber
We consider the two-loop massless propagator-type Feynman diagram with an arbitrary (non-integer) index on the central line. We analytically prove the equality of the two well-know…
Critical behaviour of ()-dimensional QED: -corrections in an arbitrary non-local gauge
A. V. Kotikov, S. Teber
Dynamical chiral symmetry breaking (DSB) is studied within ()-dimensional QED with four-component fermions. The leading and next-to-leading orders of the expansio…
Critical behaviour of ()-dimensional QED: 1/N_f-corrections in the Landau gauge
A. V. Kotikov, V. I. Shilin, S. Teber
The dynamical generation of a fermion mass is studied within ()-dimensional QED with four-component fermions in the leading and next-to-leading orders of the 1/N expansion…
The method of uniqueness and the optical conductivity of graphene: new application of a powerful technique for multi-loop calculations
S. Teber, A. V. Kotikov
We review the method of uniqueness which is a powerful technique for multi-loop calculations in higher dimensional theories with conformal symmetry. We use the method in momentum s…