Surprises in the ordinary: O(N) invariant surface defect in the ϵ-expansion

Surprises in the ordinary: O(N) invariant surface defect in the ϵ-expansion

Abstract We study an O(N) invariant surface defect in the Wilson-Fisher conformal field theory (CFT) in d = 4 – ϵ dimensions. This defect is defined by mass deformation on a two-dimensional surface that generates localized disorder and is conjectured to factorize into a pair of ordinary boundary con...

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Bibliographic Details
Main Authors: Oleksandr Diatlyk, Zimo Sun, Yifan Wang
Format: Article
Language:English
Published: SpringerOpen 2025-06-01
Series:Journal of High Energy Physics
Subjects:
Renormalization Group
Scale and Conformal Symmetries
Online Access:https://doi.org/10.1007/JHEP06(2025)131
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