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Borel convergence of the variationally improved mass expansion and dynamical symmetry breaking

โœ Scribed by J.-L. Kneur; D. Reynaud

Publisher
Springer-Verlag
Year
2002
Tongue
English
Weight
306 KB
Volume
24
Category
Article
ISSN
1434-6044

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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
โœ J.-L. Kneur ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 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