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Eternal Inflation with alpha'-Corrections | | Alexander Westphal
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7 Jul 2005 | | Journal: | JCAP 0511 (2005) 003 DOI: 10.1088/1475-7516/2005/11/003 | | Abstract: | Higher-order alpha’-corrections are a generic feature of type IIB string compactifications. In KKLT-like models of moduli stabilization they provide a mechanism of breaking the no-scale structure of the volume modulus. We present a model of inflation driven by the volume modulus of flux compactifications of the type IIB superstring. Using the effects of gaugino condensation on D7-branes and perturbative alpha’-corrections the volume modulus can be stabilized in a scalar potential which simultaneously contains saddle points providing slow-roll inflation with about 130 e-foldings. We can accommodate the WMAP data with a spectral index of density fluctuations n_s=0.93. Our model allows for eternal inflation providing the initial conditions of slow-roll inflation. | | Source: | arXiv, hep-th/0507079 | | Services: | Forum | Review | PDF | Favorites | |
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