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Higher dimensional cosmological model with a phantom field
- Authors
- Hong, Soon-Tae; Lee, Joohan; Lee, Tae Hoon; Oh, Phillial
- Issue Date
- Aug-2008
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.78, no.4
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 78
- Number
- 4
- ISSN
- 1550-7998
- Abstract
- We consider a higher dimensional gravity theory with a negative kinetic energy scalar field and a cosmological constant. We find that the theory admits an exact cosmological solution for the scale factor of our universe. It has the feature that the universe undergoes a continuous transition from deceleration to acceleration at some finite time. This transition time can be interpreted as that of recent acceleration of our universe.
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Related Researcher
- Lee, Tae Hoon
- College of Natural Sciences (Department of Physics)