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Higher spins and matter interacting in dimension three
2015
Journal of High Energy Physics
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The spectrum of Prokushkin--Vasiliev Theory is puzzling in light of the Gaberdiel--Gopakumar conjecture because it generically contains an additional sector besides higher-spin gauge and scalar fields. We find the unique truncation of the theory avoiding this problem to order 2 in perturbations around AdS_3. The second-order backreaction on the physical gauge sector induced by the scalars is computed explicitly. The cubic action for the physical fields is determined completely. We comment on a
doi:10.1007/jhep11(2015)104
fatcat:l45d4hmx5jh3bd4a4nyuppovhi