A double-scaling semiclassical limit in the Abelian Higgs model computes the cusp anomalous dimension to NNLO in the gauge coupling while resumming scalar self-interactions to all orders, bridging perturbative and large-charge regimes.
Defects in conformal field theory
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Replica analysis shows QNEC saturation in interacting CFTs with twist gap because only the stress-tensor defect operator produces the contact term in the n to 1 limit.
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Semiclassics at the cusp
A double-scaling semiclassical limit in the Abelian Higgs model computes the cusp anomalous dimension to NNLO in the gauge coupling while resumming scalar self-interactions to all orders, bridging perturbative and large-charge regimes.
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Entropy Variations and Light Ray Operators from Replica Defects
Replica analysis shows QNEC saturation in interacting CFTs with twist gap because only the stress-tensor defect operator produces the contact term in the n to 1 limit.