Toshiaki Fujimori
Resurgence in 2-dimensional Yang–Mills and a genus-altering deformation
Fujimori, Toshiaki; Glass, Philip
Authors
Philip Glass
Abstract
We study resurgence in the context of the partition function of 2-dimensional SU(N) and U(N) Yang–Mills theory on a surface of genus h. After discussing the properties of the transseries in the undeformed theory, we add a term to the action to deform the theory. The partition function can still be calculated exactly, and the deformation has the effect of analytically continuing the effective genus parameter in the exact answer so that it is noninteger. In the deformed theory we find new saddle solutions and study their properties. In this context each saddle contributes an asymptotic series to the transseries which can be analyzed using Borel-Écalle resummation. For specific values of the deformation parameter we find Cheshire cat points where the asymptotic series in the transseries truncate to a few terms. We also find new partial differential equations satisfied by the partition function, and a number of applications of these are explained, including low-order/low-order resurgence.
Citation
Fujimori, T., & Glass, P. (2023). Resurgence in 2-dimensional Yang–Mills and a genus-altering deformation. Progress of Theoretical and Experimental Physics, 2023(5), Article 053B03. https://doi.org/10.1093/ptep/ptad058
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 13, 2023 |
Online Publication Date | May 8, 2023 |
Publication Date | 2023-05 |
Deposit Date | Jan 2, 2024 |
Publicly Available Date | Jan 2, 2024 |
Journal | Progress of Theoretical and Experimental Physics |
Electronic ISSN | 2050-3911 |
Publisher | Oxford University Press |
Peer Reviewed | Peer Reviewed |
Volume | 2023 |
Issue | 5 |
Article Number | 053B03 |
DOI | https://doi.org/10.1093/ptep/ptad058 |
Public URL | https://durham-repository.worktribe.com/output/2078407 |
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Copyright Statement
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
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