65 citations · 100 across the 6 of their papers we have counts for
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hep-th2001★ 7 cited
Renormalon disappearance in Borel sum of the 1/N expansion of the Gross-Neveu model mass gap
J. -L. Kneur, D. Reynaud
The exact mass gap of the O(N) Gross-Neveu model is known, for arbitrary , from non-perturbative methods. However, a "naive" perturbative expansion of the pole mass exhibits an…
hep-th2001★ 8 cited
Borel convergence of the variationally improved mass expansion and dynamical symmetry breaking
J. -L. Kneur, D. Reynaud
A modification of perturbation theory, known as delta-expansion (variationally improved perturbation), gave rigorously convergent series in some D=1 models (oscillator energy level…