Brane/flux annihilation transitions and nonperturbative moduli stabilization

Details Brane/flux annihilation transitions and nonperturbative moduli stabilization Brane/flux annihilation transitions and nonperturbative moduli stabilization

2009-01-28

arxiv.org/abs/0901.4401v2

JHEP 0905:018,2009

Physics

High Energy Physics

High Energy Physics - Theory

25 pages, 6 figures, LaTeX. v2: references added

Scientific paper

10.1088/1126-6708/2009/05/018

By extending the calculation of Kahler moduli stabilization to account for an embiggened antibrane, we reevaluate brane/flux annihilation in a warped throat with one stabilized Kahler modulus. We find that depending on the relative size of various fluxes three things can occur: the decay process proceeds unhindered, the anti-D3-branes are forbidden to decay classically, or the entire space decompactifies. Additionally, we show that the Kahler modulus receives a contribution from the collective 3-brane tension. This allows for a significant change in compactified volume during the transition and possibly mitigates some fine tuning otherwise required to achieve large volume.

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