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Current interactions and holography from the 0-form sector of nonlinear higher-spin equations
The form of higher-spin current interactions in AdS4 is derived from the full nonlinear higher-spin equations in the sector of Weyl 0-forms. The coupling constant in front of spin-one currents built from scalars and spinors as well as Yukawa coupling are determined explicitly. Couplings of all other higher-spin current interactions …