Constraining the lattice fluid dark energy from SNe Ia, BAO and OHD

被引：0
|
作者：
XiaoXian Duan
YiChao Li
ChangJun Gao
机构：
[1] Chinese Academy of Sciences,National Astronomical Observatories
[2] Graduate University of Chinese Academy of Sciences,Kavli Institute for Theoretical Physics China
[3] Chinese Academy of Sciences,undefined
来源：
Science China Physics, Mechanics and Astronomy | 2013年 / 56卷
关键词：
dark energy; lattice fluid; statefinder;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Sanchez and Lacombe have developed a lattice fluid theory based on a well-defined statistical mechanical model. Taking the lattice fluid as a candidate of dark energy, we investigate the cosmic evolution of this fluid. Using the combined observational data of Type Ia Supernova (SNe Ia) Union2.1, Baryon Acoustic Oscillations (BAO) data from 6dFGS, SDSS and WiggleZ survey, and Observational Hubble Data (OHD), we find the best fit value of the parameters: A = −0.3 ± 0.2(1σ) ± 0.4(2σ) ± 0.8(3σ) and Ωm = 0.31 ± 0.02(1σ) ± 0.05(2σ) ± 0.07(3σ). The cosmological implications of the model are presented.
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页码：1220 / 1226
页数：6
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