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Borel summability of the mass and theS-matrix in ϕ4models

✍ Scribed by J. -P. Eckmann; H. Epstein

Publisher
Springer
Year
1979
Tongue
English
Weight
715 KB
Volume
68
Category
Article
ISSN
0010-3616

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Borel convergence of the expansion aroun
Borel convergence of the expansion around RG mass fixed point and the mass gap of asymptotically free models
✍ J.-L. Kneur 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 403 KB

We review a construction based on an expansion around a (mass) fixed point renormalization group solution, in asymptotically free models. It transmutes the usual perturbative expansion of certain physical quantities in such a way that the alternative expansion parameter l/F behaves like the ordinary