Phases of surface defects in Scalar Field Theories

Avia Raviv-Moshe; Siwei Zhong

doi:10.1007/JHEP08(2023)143

Phases of surface defects in Scalar Field Theories

Avia Raviv-Moshe
, Siwei Zhong

Simons Center for Geometry & Physics

Stony Brook University

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

We study mass-type surface defects in a free scalar and Wilson-Fisher (WF) O(N) theories. We obtain exact results for the free scalar defect, including its RG flow and defect Weyl anomaly. We classify phases of such defects at the WF fixed point near four dimensions, whose perturbative RG flow is investigated. We propose an IR effective action for the non-perturbative regime and check its self-consistency.

Original language	English
Article number	143
Journal	Journal of High Energy Physics
Volume	2023
Issue number	8
DOIs	https://doi.org/10.1007/JHEP08(2023)143
State	Published - Aug 2023

Keywords

Effective Field Theories
Global Symmetries
Renormalization Group
Scale and Conformal Symmetries

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10.1007/JHEP08(2023)143

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abstract = "We study mass-type surface defects in a free scalar and Wilson-Fisher (WF) O(N) theories. We obtain exact results for the free scalar defect, including its RG flow and defect Weyl anomaly. We classify phases of such defects at the WF fixed point near four dimensions, whose perturbative RG flow is investigated. We propose an IR effective action for the non-perturbative regime and check its self-consistency.",

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AB - We study mass-type surface defects in a free scalar and Wilson-Fisher (WF) O(N) theories. We obtain exact results for the free scalar defect, including its RG flow and defect Weyl anomaly. We classify phases of such defects at the WF fixed point near four dimensions, whose perturbative RG flow is investigated. We propose an IR effective action for the non-perturbative regime and check its self-consistency.

KW - Effective Field Theories

KW - Global Symmetries

KW - Renormalization Group

KW - Scale and Conformal Symmetries

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DO - 10.1007/JHEP08(2023)143

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VL - 2023

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

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Phases of surface defects in Scalar Field Theories

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Keywords

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