Christopher Beem
Resummation and S-duality in N = 4 SYM
Beem, Christopher; Rastelli, Leonardo; Sen, Ashoke; van Rees, Balt C.
Authors
Leonardo Rastelli
Ashoke Sen
Balt C. van Rees
Abstract
We consider the problem of resumming the perturbative expansions for anomalous dimensions of low twist, non-BPS operators in four dimensional NN = 4 supersymmetric Yang-Mills theories. The requirement of S-duality invariance imposes considerable restrictions on any such resummation. We introduce several prescriptions that produce interpolating functions on the upper half plane that are compatible with a subgroup of the full duality group. These lead to predictions for the anomalous dimensions at all points in the fundamental domain of the complex gauge coupling, and in particular at the duality-invariant values τ = i and τ = exp(iπ/3). For low-rank gauge groups, the predictions are compatible with the bounds derived by conformal bootstrap methods for these anomalous dimensions; within numerical errors, they are in good agreement with the conjecture that said bounds are saturated at a duality-invariant point. We also find that the anomalous dimensions of the lowest twist operators lie within an extremely narrow window around a straight line as we vary the moduli of the theory over the two dimensional fundamental domain.
Citation
Beem, C., Rastelli, L., Sen, A., & van Rees, B. C. (2014). Resummation and S-duality in N = 4 SYM. Journal of High Energy Physics, 2014(04), Article 122. https://doi.org/10.1007/jhep04%282014%29122
Journal Article Type | Article |
---|---|
Acceptance Date | Mar 19, 2014 |
Online Publication Date | Apr 22, 2014 |
Publication Date | Apr 22, 2014 |
Deposit Date | Feb 1, 2017 |
Publicly Available Date | Mar 24, 2017 |
Journal | Journal of High Energy Physics |
Print ISSN | 1126-6708 |
Publisher | Scuola Internazionale Superiore di Studi Avanzati (SISSA) |
Peer Reviewed | Peer Reviewed |
Volume | 2014 |
Issue | 04 |
Article Number | 122 |
DOI | https://doi.org/10.1007/jhep04%282014%29122 |
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Copyright Statement
© The Author(s) 2014 Open Access. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
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