Journal
PHYSICS LETTERS B
Volume 807, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2020.135570
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Funding
- JSPS [JP18J20935, JP19K14711]
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It was conjectured that bions, semi-classical objects found in a compactified spacetime, are responsible for the cancellation of the so-called renormalon ambiguities. Contrary to the conjecture, we argue that the ambiguity due to the bion corresponds to the proliferation of Feynman diagrams. We point out that the amplitudes of almost all Feynman diagrams are enhanced due to modifications of the infrared structure of perturbation theory upon an S-1 compactification and twisted boundary conditions. Our findings clarify the role of the semi-classical object in resurgence structure, which has been a controversial issue in recent years.(C) 2020 The Author(s). Published by Elsevier B.V.
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