Resurgence in the O(4) sigma model

Resurgence in the O(4) sigma model

Abstract We analyze the free energy of the integrable two dimensional O(4) sigma model in a magnetic field. We use Volin’s method to extract high number (2000) of perturbative coefficients with very high precision. The factorial growth of these coefficients are regulated by switching to the Borel tr...

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Bibliographic Details
Main Authors:	Michael C. Abbott, Zoltán Bajnok, János Balog, Árpád Hegedűs, Saeedeh Sadeghian
Format:	Article
Language:	English
Published:	SpringerOpen 2021-05-01
Series:	Journal of High Energy Physics
Subjects:	Integrable Field Theories Renormalization Regularization and Renormalons Sigma Models Field Theories in Lower Dimensions
Online Access:	https://doi.org/10.1007/JHEP05(2021)253

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