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arXiv · hep-th/9710013

Renormalon's Contribution to Effective Couplings

Hiroshi Suzuki
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Abstract

When an asymptotically non-free theory possesses a mass parameter, the ultraviolet (UV) renormalon gives rise to non-perturbative contributions to dimension-four operators and dimensionless couplings, thus has a similar effect as the instanton. We illustrate this phenomenon in O(N) symmetric massive $λϕ^4$ model in the $1/N$ expansion. This effect of UV renormalon is briefly compared with non-perturbative corrections in the magnetic picture of the Seiberg-Witten theory.

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Hiroshi Suzuki. 1997-10-03. Renormalon's Contribution to Effective Couplings. https://doi.org/10.1142/s0217732398002710

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