Aufsatz(elektronisch)3. Januar 2010
Asymptotic Power Series of Field Correlators
In: Acta polytechnica: journal of advanced engineering, Band 50, Heft 3
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Abstract
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.
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