Abstract
In this paper we study spin 2 fluctuations around a warped AdS3 × S2 × T4 × \( {\mathcal{I}}_{\rho } \) background in type IIA supergravity with small \( \mathcal{N} \) = (0, 4) supersymmetry. We find a class of fluctuations, which will be called universal, that is independent of the background data and corresponds to operators with scaling dimension Δ = 2l + 2, being l the angular-momentum-quantum-number on the S2 which realises the SU(2)R symmetry. We compute the central charge for \( \mathcal{N} \) = (0, 4) two-dimensional superconformal theories from the action of the spin 2 fluctuations.
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Speziali, S. Spin 2 fluctuations in 1/4 BPS AdS3/CFT2. J. High Energ. Phys. 2020, 79 (2020). https://doi.org/10.1007/JHEP03(2020)079
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DOI: https://doi.org/10.1007/JHEP03(2020)079