Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2012-01-27
Physics
High Energy Physics
High Energy Physics - Theory
34 pages, 3 figures
Scientific paper
We complete the classification of half-supersymmetric branes in toroidally compactified IIA/IIB string theory in terms of representations of the T-duality group. As a by-product we derive a last wrapping rule for the space-filling branes. We find examples of T-duality representations of branes in lower dimensions, suggested by supergravity, of which none of the component branes follow from the reduction of any brane in ten-dimensional IIA/IIB string theory. We discuss the constraints on the charges of half-supersymmetric branes, determining the corresponding T-duality and U-duality orbits.
Bergshoeff Eric A.
Marrani Alessio
Riccioni Fabio
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