Closer towards inflation in string theory

By H. Firouzjahi, S. Tye. 2003

157 citations recorded by the source corpus.

In brane inflation, the relative brane position in the bulk of a brane world is the inflaton. For branes moving in a compact manifold, the approximate translational (or shift) symmetry is necessary to suppress the inflaton mass, which then allows a slow-roll phase for enough inflation. Following recent works, we discuss how inflation may be achieved in superstring theory. Imposing the shift symmetry, we obtain the condition on the superpotential needed for inflation and suggest how this condition may be naturally satisfied.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/863d34d7cfcca69618fc8eb5a4bdfabcf420cb0a

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Citations in the corpus

Towards an explicit model of D-brane inflation (2007, background): “However, the resulting potential is not as simple as that conjectured in [6] and further elaborated in [13]: moduli stabilization gives rise to a potential that is much more complicated than a mass term for radial motion.”
Loop corrections to volume moduli and inflation in string theory (2004, background): “iii) Furthermore, the superpotential develops an explicit dependence on the open string scalars at one-loop level, hence the shift symmetry discussed in [4, 53, 65] is violated by the one-loop corrections.”
Inflation in realistic D-brane models (2004, background): “[29, 31, 32, 33] for subsequent proposals within a similar framework.”
Realistic D-brane models on warped throats: Fluxes, hierarchies and moduli stabilization (2003, methodology): “Finally, we would like to mention the possible application of our formalism to provide concrete realistic examples of the recent attempts to obtain inflation from D-brane/anti-brane interactions in warped compactifications in string theory [36, 37, 38].”
Inflation from warped space (2005, background): “[16, 19 ,25,29,30].) But we do not require the abovementioned fine-tuned cancellations.”
Fayet–Iliopoulos terms in supergravity and cosmology (2004, background): “More recently, some proposals were made [35, 36] towards improvement of this situation due to a particular shift symmetry of the potential associated with the BPS states of branes.”