We review applications of string theory to cosmology, from primordial times to the present-
day accelerated expansion. Starting with a brief overview of cosmology and string …

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 …

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

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 …

Models of inflation based on axions, which owe their popularity to the robustness against uv
corrections, have also a very distinct class of signatures. The relevant interactions of the …

We study the CMB observables in axion monodromy inflation. These well-motivated
scenarios for inflation in string theory have monomial potentials over super-Planckian field …

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 …

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A bstract We study finite temperature effects in string cosmology and their potential
gravitational wave signature. Expanding on our recent work [1], we consider a general …

The precision cosmological model describing the origin and expansion history of the
universe, with observed structure seeded at the inflationary cosmic horizon, demands …