We review the particle theory origin of inflation and curvaton mechanisms for generating
large scale structures and the observed temperature anisotropy in the cosmic microwave …

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The past two decades have seen transformative advances in cosmology and string theory.
Observations of the cosmic microwave background have revealed strong evidence for …

The current flow of high accuracy astrophysical data, among which are the Cosmic
Microwave Background (CMB) measurements by the Planck satellite, offers an …

We investigate the embedding of brane inflation into stable compactifications of string
theory. At first sight a warped compactification geometry seems to produce a naturally flat …

We perform a general study of primordial scalar non-Gaussianities in single-field inflationary
models in Einstein gravity. We consider models where the inflaton Lagrangian is an arbitrary …

We present an explicit calculation of the spectrum of a general class of string models,
corresponding to Calabi-Yau flux compactifications with h 1, 2> h 1, 1> 1 with leading …

We show that under general conditions there is at least one natural inflationary direction for
the Kähler moduli of type-IIB flux compactifications. This requires a Calabi-Yau which has h …

We present a detailed analysis of an explicit model of warped D-brane inflation,
incorporating the effects of moduli stabilization. We consider the potential for D3-brane …

We study the potential governing D3-brane motion in a warped throat region of a string
compactification with internal fluxes and wrapped D-branes. If the Kähler moduli of the …