Equations of motion for N=4 supergravity with antisymmetric tensor from its geometric description in central charge superspace

Physics – High Energy Physics – High Energy Physics - Theory

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18 pages ; typos corrected

Scientific paper

10.1088/1126-6708/2002/02/040

We consider the geometrical formulation in central charge superspace of the N=4 supergravity containing an antisymmetric tensor gauge field. The theory is on-shell, so clearly, the constraints used for the identification of the multiplet together with the superspace Bianchi identities imply equations of motion for the component fields. We deduce these equations of motion in terms of supercovariant quantities and then, we give them in terms of component fields. These equations of motion, deduced from the geometry, without supposing the existence of a Lagrangian, are found to be the same as those derived from the Lagrangian given in the component formulation of this N=4 supergravity multiplet by Nicolai and Townsend.

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