S-matrix bootstrap for effective field theories: massless pions

被引：0
|
作者：
Andrea L. Guerrieri
João Penedones
Pedro Vieira
机构：
[1] Instituto de Física Téorica,School of Physics and Astronomy
[2] UNESP,undefined
[3] ICTP South American Institute for Fundamental Research,undefined
[4] Tel Aviv University,undefined
[5] Institute of Physics,undefined
[6] École Polytechnique Fédérale de Lausanne (EPFL),undefined
[7] Perimeter Institute for Theoretical Physics,undefined
来源：
Journal of High Energy Physics | / 2021卷
关键词：
Chiral Lagrangians; Effective Field Theories; Scattering Amplitudes;
D O I：
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学科分类号：
摘要：
We use the numerical S-matrix bootstrap method to obtain bounds on the two leading Wilson coefficients (or low energy constants) of the chiral lagrangian controlling the low-energy dynamics of massless pions. This provides a proof of concept that the numerical S-matrix bootstrap can be used to derive non-perturbative bounds on massless EFTs in more than two spacetime dimensions.
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