From Branes to Branes

Details From Branes to Branes From Branes to Branes

2003-11-07

arxiv.org/abs/hep-th/0311065v2

Nucl.Phys. B682 (2004) 217

Physics

High Energy Physics

High Energy Physics - Theory

30 pages, 12 figures, references added

Scientific paper

10.1016/j.nuclphysb.2004.01.030

We use the `branes within branes' approach to study the appearance of stable $ (p-2)-branes and unstable (p-1)-branes in type II string theory from p-brane--p-antibrane pairs.Our goal is to describe the emergence of these lower dimensional branes from brane-antibrane pairs in string theory using a tractable gauge theory language. This is achieved by suspending the original p-brane--p-antibrane pair between two (p+2)-branes, and describing its dynamics in terms of the worldvolume gauge theory on the spectator (p+2)-branes. Instantons, monopoles, sphalerons and their higher-dimensional generalizations in this worldvolume gauge theory correspond to stable (BPS) and unstable (non-BPS) branes in string theory. Collisions of stable branes with corresponding antibranes and production of lower-dimensional branes in string theory are described in a straightforward way in gauge theory. Tachyonic modes on the p-brane--p-antibrane worldvolume do not appear in our analysis since we work on the worldvolume of the spectator (p+2)-branes. Our results on brane descent relations are in agreement with Sen's tachyon condensation approach.

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