A comment on anti-brane singularities in warped throats

Details A comment on anti-brane singularities in warped throats A comment on anti-brane singularities in warped throats

2012-02-16

arxiv.org/abs/1202.3789v1

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, 1 figure

Scientific paper

We compute the imaginary self-dual (ISD) and imaginary anti-self-dual (IASD) fluxes for the Klebanov-Strassler background perturbed by a stack of p anti-D3 branes. We show that, at linear order in p, they both have a singularity in the near-brane region. While one can argue that the IASD flux may disappear at full non-linear level, no such argument exists for the ISD mode. An analogy with anti-D6 backreaction suggests that such singularity may survive once full backreaction is taken into account and may be a universal feature of anti-brane solutions.

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