Constraining the lattice fluid dark energy from SNe Ia,BAO and OHD
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 A...
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Veröffentlicht in: | Science China. Physics, mechanics & astronomy mechanics & astronomy, 2013-06, Vol.56 (6), p.1220-1226 |
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description | 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 Ω m = 0.31 ± 0.02(1σ) ± 0.05(2σ) ± 0.07(3σ).The cosmological implications of the model are presented. |
doi_str_mv | 10.1007/s11433-013-5080-y |
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subjects | Astronomy Classical and Continuum Physics Dark energy Ia型超新星 Observations and Techniques Physics Physics and Astronomy 哈勃望远镜 晶格 暗能量 流体理论 统计力学模型 观测数据 |
title | Constraining the lattice fluid dark energy from SNe Ia,BAO and OHD |
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