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hep-th2026
Supersymmetric Observables from Surface Defect Anomalies in 4d and 6d SCFTs
Zi-Xiao Huang, Ma-Ke Yuan, Yang Zhou
We study the contributions of half-BPS surface defects to supersymmetric Casimir energy and the universal logarithmic term of supersymmetric Rényi entropy in four- and six-dimensio…
hep-th2026
Cylinder Defect Casimir Energy and Weyl Anomalies
Yang Zhou
We distinguish two Casimir observables associated with a conformal surface defect. A circular cylinder embedded in flat space has a logarithmic contribution to its Casimir energy,…