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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 Contributors): | Andrea Quadri |
| Submission information | |
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| Arxiv 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: | RADCOR 2021 (15th International Symposium on Radiative Corrections: Applications of Quantum Field Theory to Phenomenology) |
| Ontological classification | |
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| Academic field: | Physics |
| Specialties: |
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| 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)
Submission & Refereeing History
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Reports on this Submission
Anonymous Report 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.