paper

Branes, central charges and U-duality invariant BPS conditions

arXiv:hep-th/9706097 · doi:10.1088/0264-9381/15/4/004

Abstract

In extended supergravity theories there are -brane solutions preserving different numbers of supersymmetries, depending on the charges, the spacetime dimension and the number of original supersymmetries (8, 16 or 32). We find U-duality invariant conditions on the quantized charges which specify the number of supersymmetries preserved with a particular charge configuration. These conditions relate U-duality invariants to the picture of intersecting branes. The analysis is carried out for all extended supergravities with 16 or 32 supersymmetries in various dimensions.

15 pages, no figures, typos corrected

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