N=8 Supergravity in Central Charge Superspace
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We present a geometrical description of N=8 supergravity, using central charge superspace. The essential properties of the multiplet, like self-duality properties of the vectors or the non-linear sigma model structure of the scalars, are found as consequences of constraints at 0 and 1/2 canonical dimension. We also present in detail how to derive from this geometrical formulation the supergravity transformations as well as the whole equations of motion for the component fields in order to compare them with the results already known and obtained in formulations on the component level.
31 pages, corrections with regard to two references
31 pages, corrections with regard to two references