Title

Inflation, quantum fields, and CMB anisotropies

Document Type

Article

Publication Date

8-1-2009

Abstract

Inflationary cosmology has proved to be the most successful at predicting the properties of the anisotropies observed in the cosmic microwave background (CMB). In this essay we show that quantum field renormalization significantly influences the generation of primordial perturbations and hence the expected measurable imprint of cosmological inflation on the CMB. However, the new predictions remain in agreement with observation, and in fact favor the simplest forms of inflation. In the near future, observations of the influence of gravitational waves from the early universe on the CMB will test our new predictions. © 2009 Springer Science+Business Media, LLC.

Publication Source (Journal or Book title)

General Relativity and Gravitation

First Page

2301

Last Page

2306

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