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hep-th2021
Critical exponents from five-loop scalar theory renormalization near six-dimensions
Mikhail Kompaniets, Andrey Pikelner
We present five-loop results for the renormalization of various models with a cubic interaction (in dimensions). For the scalar model and its -sym…
hep-th2020
Four-loop singularities of the massless fermion propagator in quenched three-dimensional QED
A. F. Pikelner, V. P. Gusynin, A. V. Kotikov +1
We calculate the three- and four-loop corrections to the massless fermion propagator in three-dimensional quenched Quantum Electrodynamics with four-component fermions. The three-l…