SOME PROPERTIES OF RENORMALONS IN GAUGE THEORIES
- 20 April 1995
- journal article
- Published by World Scientific Pub Co Pte Ltd in International Journal of Modern Physics A
- Vol. 10 (10) , 1449-1463
- https://doi.org/10.1142/s0217751x95000693
Abstract
We find the explicit operatorial form of renormalon type singularities in Abelian gauge theory. Local operators of dimension six take care of the first UV renormalon; nonlocal operators are needed for IR singularities. In the effective Lagrangian constructed with these operators nonlocal imaginary parts appearing in the usual perturbative expansion at large orders are canceled.Keywords
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