Latest cosmological constraints on Cardassian expansion models including the updated gamma-ray bursts |
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| Authors: | Nan Liang Pu-Xun Wu Zong-Hong Zhu |
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| Institution: | Nan Liang 1,2,Pu-Xun Wu 3 and Zong-Hong Zhu 1 1 Department of Astronomy,Beijing Normal University,Beijing 100875,China 2 Center for High Energy Physics,Peking University,Beijing 100871,China 3 Center of Nonlinear Science and Department of Physics,Ningbo University,Ningbo 315211,China |
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| Abstract: | We constrain the Cardassian expansion models from the latest observations,including the updated Gamma-ray bursts (GRBs),which are calibrated using a cosmology independent method from the Union2 compilation of type Ia supernovae (SNe Ia).By combining the GRB data with the joint observations from the Union2 SNe Ia set,along with the results from the Cosmic Microwave Background radiation observation from the seven-year Wilkinson Microwave Anisotropy Probe and the baryonic acoustic oscillation observation galax... |
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