期刊
PHYSICS LETTERS B
卷 718, 期 2, 页码 248-254出版社
ELSEVIER
DOI: 10.1016/j.physletb.2012.10.065
关键词
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资金
- Department of Physics in McGill University
- Cosmology Initiative in Arizona State University
- National Science Foundation of China [11075074, 11065004, 10975142, 11033005]
- Specialized Research Fund for the Doctoral Program of Higher Education (SRFDP) [20090091120054]
- SRF for ROCS, SEM
- Chinese Academy of Sciences [KJCX3-SYW-N2]
The emergent universe scenario provides a possible alternative to bouncing cosmology to avoid the Big Bang singularity problem. In this Letter we study the realization of the emergent universe scenario by making use of Quintom matter with an equation of state across the cosmological constant boundary. We will show explicitly the analytic and numerical solutions of emergent universe in two Quintom models, which are a phenomenological fluid and a nonconventional spinor field, respectively. (C) 2012 Elsevier B.V. All rights reserved.
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