Aufsatz(elektronisch)#13. Januar 2010
Asymptotic Power Series of Field Correlators
In: Acta polytechnica: journal of advanced engineering, Band 50, Heft 3
ISSN: 1805-2363
We address the problem of ambiguity of a function determined by an asymptotic perturbation expansion. Using a modified form of theWatson lemma recently proved elsewhere, we discuss a large class of functions determined by the same asymptotic power expansion and represented by various forms of integrals of the Laplace-Borel type along a general contour in the Borel complex plane. Some remarks on possible applications in QCD are made.