Brane-Antibrane Constructions

Details Brane-Antibrane Constructions Brane-Antibrane Constructions

2000-01-11

arxiv.org/abs/hep-th/0001066v2

JHEP 0003 (2000) 015

Physics

High Energy Physics

High Energy Physics - Theory

40 pages, harvmac (b), 14 eps figures (included), v2: references added and report no. corrected, no other changes

Scientific paper

10.1088/1126-6708/2000/03/015

In type II string theories, we examine intersecting brane constructions containing brane-antibrane pairs suspended between 5-branes, and more general non-BPS constructions. The tree-level spectra are obtained in each case. We identify various models with distinct physics: parallel brane-antibrane pairs, adjacent pairs, non-adjacent pairs, and configurations which break all supersymmetry even though any pair of branes preserves some supersymmetry. In each case we examine the possible decay modes. Some of these configurations turn out to be tachyon-free, stable non-BPS states. We use T-duality to map some of our brane constructions to brane-antibrane pairs at ALE singularities. This enables us to explicitly derive the spectra by the analogue of the quiver construction, and to compute the sign of the brane-antibrane force in each case.

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