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Integrability and Conformal Bootstrap: One Dimensional Defect CFT

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arxiv 2107.08510 v2 pith:2OM7K4VS submitted 2021-07-18 hep-th

Andrea Cavaglià , Nikolay Gromov , Julius Julius , Michelangelo Preti This is my paper · ORCID
classification hep-th
keywords couplingbootstrapconformaldefectintegrabilityaccessanalyticbeyond
verification ladder T0 review T1 audit T2 compute T3 formal
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In this letter we study how the exact non-perturbative integrability methods in 4D N=4 Super-Yang-Mills can work efficiently together with the numerical conformal bootstrap techniques to go beyond the spectral observables and access previously unreachable quantities such as correlation functions at finite coupling. In the setup of 1D defect CFT living on a Maldacena-Wilson line, we managed to compute with good precision a non-supersymmetric structure constant for a wide range of the `t Hooft coupling. Our result is particularly precise at strong coupling and matches well with the recent analytic results of Meneghelli and Ferrero.

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Cited by 4 Pith papers

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    Universal dispersion-based formulae for thermal two-point functions of scalars that satisfy bootstrap axioms except clustering at infinite distance.

  2. Universal Constraints for Conformal Line Defects

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    Boundary Yangian symmetry fixes a two-parameter family of integrable reflection matrices for SU(1|2) boundaries with a degree of freedom, realized in ABJM Wilson loops as a boundary bound state.

  4. Regge Trajectories of N=4 SYM Part I: General Asymptotic Baxter-Bethe Ansatz

    hep-th 2025-07 conditional novelty 6.0 of 10

    From the Quantum Spectral Curve, the authors derive the Asymptotic Baxter-Bethe Ansatz, which determines the asymptotic BFKL spectrum of Regge trajectories in N=4 SYM, reproduces known weak-coupling results, and suppo...

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