Noncommutative Tachyons

Details Noncommutative Tachyons Noncommutative Tachyons

2000-04-30

arxiv.org/abs/hep-th/0005006v1

JHEP 0006 (2000) 022

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, harvmac (b)

Scientific paper

10.1088/1126-6708/2000/06/022

When unstable Dp-branes in type II string theory are placed in a B-field, the resulting tachyonic world-volume theory becomes noncommutative. We argue that for large noncommutativity parameter, condensation of the tachyon as a noncommutative soliton leads to new decay modes of the Dp-brane into (p-2)-brane configurations, which we interpret as suitably smeared BPS D(p-1)-branes. Some of these configurations are metastable. We discuss various generalizations of this decay process.

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