Boundary CFT spectra, OPE coefficients, and central charges are extracted for normal and ordinary boundaries of the 3D O(2) and O(3) Wilson-Fisher fixed points via fuzzy-sphere state-operator correspondence, with confirmation of positive extraordinary-log exponent alpha.
Parisen Toldin, The ordinary surface universality class of the three-dimensional$\mathrm{O}(N)$model, Physical Review B108, L020404 (2023)
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Studying 3D O(N) Surface CFT on the Fuzzy Sphere
Boundary CFT spectra, OPE coefficients, and central charges are extracted for normal and ordinary boundaries of the 3D O(2) and O(3) Wilson-Fisher fixed points via fuzzy-sphere state-operator correspondence, with confirmation of positive extraordinary-log exponent alpha.