Chin. Phys. Lett.  2008, Vol. 25 Issue (2): 802-804    DOI:
Original Articles |
Constraints on Deceleration Parameter of a 5D Bounce Cosmological Model from Recent Cosmic Observations
LI Jie-Chao;XU Li-Xin;Lü Jian-Bo;CHANG Bao-Rong;LIU Hong-Ya
School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024
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LI Jie-Chao, XU Li-Xin, Lü Jian-Bo et al  2008 Chin. Phys. Lett. 25 802-804
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Abstract We study the constraint on deceleration parameter q from the recent
SNeIa Gold dataset and observational Hubble data by using a model-independent deceleration parameter q(z)=1/2-a/(1+z)b under the five-dimensional bounce cosmological model. For the cases of SNeIa Gold dataset, Hubble data, and their combination, the present results show that the constraints on transition redshift zT are 0.35+0.14-0.07, 0.68+1.47-0.58, and 0.55+0.18-0.09 with 1σ errors, respectively.
Keywords: 98.80.-k      98.80.Es     
Received: 12 October 2007      Published: 30 January 2008
PACS:  98.80.-k (Cosmology)  
  98.80.Es (Observational cosmology (including Hubble constant, distance scale, cosmological constant, early Universe, etc))  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2008/V25/I2/0802
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LI Jie-Chao
XU Li-Xin
Lü Jian-Bo
CHANG Bao-Rong
LIU Hong-Ya
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