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On intersecting conformal defects
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DOI：10.1007/JHEP03(2025)103.png)
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Abstract
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We study the physics of 2 and 3 mutually intersecting conformal defects forming wedges and corners in general dimension. For 2 defects we derive the beta function of the edge interactions for infinite and semi-infinite wedges and study them in the tricritical model in d = 3 - & varepsilon; as an example. We discuss the dependency of the edge anomalous dimension on the intersection angle, connecting to an old issue known in the literature. Additionally, we study trihedral corners formed by 3 planes and compute the corner anomalous dimension, which can be considered as a higher-dimensional analog of the cusp anomalous dimension. We also study 3-line corners related to the three-body potential of point-like impurities.
Keywords:
Boundary Quantum Field Theory
Anomalies in Field and String Theories
Renormalization and Regularization
Scale and Conformal Symmetries
Journal
IF:
5.5
Papers:
4.0W
Citations:
13.7W
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