Borel-Pade vs Borel-Weniger method: A QED and a QCD example

G. Cvetič, Ji Young Yu

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Recently, Weniger (delta sequence) method has been proposed by the authors of Ref. 1 for resummation of truncated perturbation series in quantum field theories. Those authors presented numerical evidence suggesting that this method works better than Pade approximants when we resum a function with singularities in the Borel plane but not on the positive axis. We present here numerical evidence suggesting that in such cases the combined method of Borel-Pade works better than its analog Borel-Weniger, and that it may work better or comparably well in some of the cases when there are singularities on the positive axis in the Borel plane.
Original languageEnglish
Pages (from-to)1227-1235
Number of pages9
JournalModern Physics Letters A
DOIs
Publication statusPublished - 21 Jun 2000
Externally publishedYes

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