Constraining fundamental physics with the cosmic microwave background
arXiv:astro-ph/0606548
Abstract
The temperature anisotropies and polarization of the cosmic microwave background (CMB) radiation provide a window back to the physics of the early universe. They encode the nature of the initial fluctuations and so can reveal much about the physical mechanism that led to their generation. In this contribution we review what we have learnt so far about early-universe physics from CMB observations, and what we hope to learn with a new generation of high-sensitivity, polarization-capable instruments.
21 pages. Invited review at the Workshop on Cosmology and Gravitational Physics, 15-16 December 2005, Thessaloniki, Greece
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