PIRSA:25110124 Scientific Series Quantum Fields and Strings

DOI10.48660/25110124

Series: Quantum Fields and Strings

Ambrosino, F. (2025). RG flows from perturbed 2d CFT - Quantum Fields & Strings Seminar. Perimeter Institute. https://pirsa.org/25110124

Ambrosino, Federico. RG flows from perturbed 2d CFT - Quantum Fields & Strings Seminar. Perimeter Institute, Nov. 28, 2025, https://pirsa.org/25110124 

@misc{ pirsa_PIRSA:25110124,
  doi = {10.48660/25110124},
  url = {https://pirsa.org/25110124},
  author = {Ambrosino, Federico},
  keywords = {Quantum Fields and Strings},
  language = {en},
  title = {RG flows from perturbed 2d CFT - Quantum Fields \& Strings Seminar},
  publisher = {Perimeter Institute},
  year = {2025},
  month = {nov},
  note = {PIRSA:25110124 see, \url{https://pirsa.org}}
}

Abstract

In this talk we characterize RG flows from UV fixed point described by a 2d CFT perturbed by one of its relevant operators.
The first part focuses on rational CFTs. By matching the anomalies associated to their non-invertible symmetries, one conjectures infinitely many new RG flows between Minimal models of Virasoro, Wn algebras, and more general coset models.
The second part presents a construction of a class of non-topological, but conserved operators in deformed CFT given by perturbed Verlinde lines. These provide infinite families of commuting non-local conserved charges associated to the new flows found by anomaly matching.
This is based on [2501.07511,2504.05277] and work in progress with T. Prochazka.

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