Compactification driven Hilltop Inflation in Einstein-Yang-Mills
arXiv:0912.3349 · doi:10.1103/PhysRevD.81.083504
Abstract
Starting from Einstein-Yang-Mills in higher dimensions with an instanton on a compact sphere, we dimensionally reduce to find an effective four-dimensional action describing "hilltop" inflation. Using recent CMB data, we analyse the parameter space of this model to search for viable set-ups. One unique feature of this class of inflationary models is that the value of the inflaton field, or alternatively, the size of the compact sphere, is stabilised dynamically during the inflationary process.
Title modification, typos corrected, published version
References in corpus (9)
- Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation
- Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation
- The Anthropic Landscape of String Theory
- Eternal inflation and its implications
- On the Cosmology of Type IIA Compactifications on SU(3)-structure Manifolds
- More hilltop inflation models
- Dynamical compactification from de Sitter space
- On the stability and spectrum of non-supersymmetric AdS(5) solutions of M-theory compactified on Kahler-Einstein spaces
- Dynamical Compactification and Inflation in Einstein-Yang-Mills Theory with Higher Derivative Coupling