Dark Energy: Relating the Evolutions of the Universe from the Past to the Future

Chin. Phys. Lett.

2006, Vol. 23

Issue (9): 2621-2624 DOI:

Original Articles

Dark Energy: Relating the Evolutions of the Universe from the Past to the Future

HUANG Zhuo-Yi¹;WANG Bin¹;CAI Rong-Gen²;SU Ru-Keng^1,3

¹Department of Physics, Fudan University, Shanghai 200433 ²Institute of Theoretical Physics, Chinese Academy of Sciences, PO Box 2735, Beijing 100080 ³CCAST(World Laboratory), PB Box 8730, Beijing 100080

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HUANG Zhuo-Yi, WANG Bin, CAI Rong-Gen et al 2006 Chin. Phys. Lett. 23 2621-2624

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Abstract Using the evolution history of the universe, one can make constraint on the parameter space of dynamic dark energy models. We discuss two different parameterized dark energy models. Our results further restrict the combined constraints obtained from supernova and the first-year Wilkinson-microwave-anisotropy-probe observations. From the allowed parameter space, it is found that our universe will experience an eternal acceleration. We also estimate the bound on the physically relevant regions both in the re-inflationary and inflationary phases.

Keywords: 98.80.Cg 98.80.-k

Published: 01 September 2006

PACS:	98.80.Cg
	98.80.-k	(Cosmology)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I9/02621

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	HUANG Zhuo-Yi
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