Compactification Effects in D-brane Inflation

Details Compactification Effects in D-brane Inflation Compactification Effects in D-brane Inflation

2009-12-21

arxiv.org/abs/0912.4268v2

Physics

High Energy Physics

High Energy Physics - Theory

4 pages; v2: minor corrections

Scientific paper

We determine the scalar potential for a D3-brane in a warped conifold background subject to general ultraviolet perturbations. Incorporating the effects of imaginary anti-self-dual (IASD) fluxes and four-dimensional curvature at the nonlinear level, we compute the leading terms in the D3-brane potential. We then provide strong cross-checks of our results by reproducing them in the dual gauge theory. Finally, we observe that the D3-brane potential induced by nonperturbative effects on D7-branes can be represented by a ten-dimensional supergravity solution containing suitable IASD fluxes. Our method allows for the systematic inclusion of compactification effects and serves to constrain the D3-brane effective action in a large class of stabilized compactifications.

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