Journal
ANNUAL REVIEW OF NUCLEAR AND PARTICLE SCIENCE
Volume 59, Issue -, Pages 67-94Publisher
ANNUAL REVIEWS
DOI: 10.1146/annurev.nucl.010909.083524
Keywords
inflationary cosmology; string inflation; gauge/gravity duality; CMB polarization
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Funding
- David and Lucile Packard Foundation
- Alfred P. Sloan Foundation
- National Science Foundation [PHY-0355005]
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We provide a pedagogical over-view of inflation in string theory. We focus upon the sensitivity of inflation to Planck-scale physics, which we argue provides both the primary motivation and the central theoretical challenge for the subject. We illustrate these issues through two case studies of inflationary scenarios in string theory: warped D-brane inflation and axion monodromy inflation. Finally, we indicate how future observations can test scenarios of inflation in string theory.
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