期刊
PHYSICS LETTERS B
卷 678, 期 2, 页码 157-163出版社
ELSEVIER
DOI: 10.1016/j.physletb.2009.06.025
关键词
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资金
- M.E.C. [FIS2007-63364]
- Junta de Andalucia [101]
- STFC
- Science and Technology Facilities Council [ST/G000522/1] Funding Source: researchfish
- STFC [ST/G000522/1] Funding Source: UKRI
A model is presented in which a single scalar field is responsible for both primordial inflation at early times and then dark energy at late times. This field is coupled to a second scalar field which becomes unstable and starts to oscillate after primordial inflation, thus driving a reheating phase that can create a high post-inflation temperature. This model easily avoids overproduction of gravity waves, which is a problem in the original quintessential inflation model in which reheating occurs via gravitational particle production. (C) 2009 Elsevier B.V. All rights reserved.
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