Quantum field theory methods and inflationary universe models
- 1 January 1985
- journal article
- research article
- Published by American Physical Society (APS) in Reviews of Modern Physics
- Vol. 57 (1), 1-60
- https://doi.org/10.1103/revmodphys.57.1
Abstract
This paper reviews the theory of inflationary universe models, giving particular emphasis to the question of origin and growth of energy-density fluctuations in these new cosmologies. The first four sections constitute a pedagogical introduction to some of the important quantum field theory methods used in inflationary universe scenarios: calculation of the effective potential, finite-temperature quantum field theory, analysis of the decay of a metastable quantum state, and free field theory in curved space-time.Keywords
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