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Quantum Fluctuations in the Inflationary Universe | | Sang Pyo Kim
; | | Date: |
13 Jan 2007 | | Abstract: | The recent three-year WMAP data selects large-field models with certain power-law potentials and small-field models for all power-law potentials as consistent inflation models. We study the large-field and small-field inflation model with a quadratic and a quartic potential within the framework of quantum field theory in an expanding Friedmann-Robertson-Walker universe. We find that quantum fluctuations in the small-field model lead to a significant contribution to the effective potential and may have non-negligible effects on the slow-roll parameters predicted by classical theory. | | Source: | arXiv, astro-ph/0701399 | | Services: | Forum | Review | PDF | Favorites | |
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