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Title: Non-perturbative completion of Hopf-algebraic Dyson-Schwinger equations

Abstract

For certain quantum field theories, the Kreimer-Connes Hopf-algebraic approach to renormalization reduces the Dyson-Schwinger equations to a system of non-linear ordinary differential equations for the expansion coefficients of the renormalized Green's function. We apply resurgent asymptotic analysis to find the trans-series solutions which provide the non-perturbative completion of these formal Dyson-Schwinger expansions. We illustrate the general approach with the concrete example of four dimensional massless Yukawa theory, connecting with the exact functional solution found by Broadhurst and Kreimer. The trans-series solution is associated with the iterative form of the Dyson-Schwinger equations, and displays renormalon-like structure of integer-repeated Borel singularities. Extraction of the Stokes constant is possible due to a property we call ‘functional resurgence’.

Authors:
;
Publication Date:
Research Org.:
Univ. of Connecticut, Storrs, CT (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1635071
Alternate Identifier(s):
OSTI ID: 1657076
Grant/Contract Number:  
SC0010339
Resource Type:
Published Article
Journal Name:
Nuclear Physics. B
Additional Journal Information:
Journal Name: Nuclear Physics. B Journal Volume: 957 Journal Issue: C; Journal ID: ISSN 0550-3213
Publisher:
Elsevier
Country of Publication:
Netherlands
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Borinsky, Michael, and Dunne, Gerald V. Non-perturbative completion of Hopf-algebraic Dyson-Schwinger equations. Netherlands: N. p., 2020. Web. doi:10.1016/j.nuclphysb.2020.115096.
Borinsky, Michael, & Dunne, Gerald V. Non-perturbative completion of Hopf-algebraic Dyson-Schwinger equations. Netherlands. https://doi.org/10.1016/j.nuclphysb.2020.115096
Borinsky, Michael, and Dunne, Gerald V. Sat . "Non-perturbative completion of Hopf-algebraic Dyson-Schwinger equations". Netherlands. https://doi.org/10.1016/j.nuclphysb.2020.115096.
@article{osti_1635071,
title = {Non-perturbative completion of Hopf-algebraic Dyson-Schwinger equations},
author = {Borinsky, Michael and Dunne, Gerald V.},
abstractNote = {For certain quantum field theories, the Kreimer-Connes Hopf-algebraic approach to renormalization reduces the Dyson-Schwinger equations to a system of non-linear ordinary differential equations for the expansion coefficients of the renormalized Green's function. We apply resurgent asymptotic analysis to find the trans-series solutions which provide the non-perturbative completion of these formal Dyson-Schwinger expansions. We illustrate the general approach with the concrete example of four dimensional massless Yukawa theory, connecting with the exact functional solution found by Broadhurst and Kreimer. The trans-series solution is associated with the iterative form of the Dyson-Schwinger equations, and displays renormalon-like structure of integer-repeated Borel singularities. Extraction of the Stokes constant is possible due to a property we call ‘functional resurgence’.},
doi = {10.1016/j.nuclphysb.2020.115096},
journal = {Nuclear Physics. B},
number = C,
volume = 957,
place = {Netherlands},
year = {Sat Aug 01 00:00:00 EDT 2020},
month = {Sat Aug 01 00:00:00 EDT 2020}
}

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Cited by: 17 works
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