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Background Field Method and Generalized Field Redefinitions in Effective Field Theories

by Andrea Quadri

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Submission summary

Authors (as registered SciPost users): Andrea Quadri
Submission information
Preprint Link: https://arxiv.org/abs/2109.12148v1  (pdf)
Date accepted: 2021-12-17
Date submitted: 2021-09-29 17:37
Submitted by: Quadri, Andrea
Submitted to: SciPost Physics Proceedings
Proceedings issue: 15th International Symposium on Radiative Corrections: Applications of Quantum Field Theory to Phenomenology (RADCOR2021)
Ontological classification
Academic field: Physics
Specialties:
  • High-Energy Physics - Theory
  • High-Energy Physics - Phenomenology
Approach: Theoretical

Abstract

We study the non-linear background field redefinitions arising at the quantum level in a spontaneously broken effective gauge field theory. The non-linear field redefinitions are crucial for the symmetric (i.e. fulfilling all the relevant functional identities of the theory) renormalization of gauge-invariant operators. In a general $R_\xi$-gauge the classical background-quantum splitting is also non-linearly deformed by radiative corrections. In the Landau gauge these deformations vanish to all orders in the loop expansion.

Published as SciPost Phys. Proc. 7, 045 (2022)


Reports on this Submission

Report #1 by Anonymous (Referee 1) on 2021-11-27 (Invited Report)

Strengths

The article reports on the work presented at RADCOR/LoopFest 2021. It fulfills all the requirements for publication in SciPost Proceedings.

Weaknesses

None.

Report

The article reports on the work presented at RADCOR/LoopFest 2021. It fulfills all the requirements for publication in SciPost Proceedings and therefore we recommend its publication.

  • validity: high
  • significance: high
  • originality: good
  • clarity: high
  • formatting: excellent
  • grammar: excellent

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