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- Dalian University of TechnologyCN203 papers
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6 papers · 2 filters
Holographic tachyon model
Jingfei Zhang, Xin Zhang, Hongya Liu
We propose in this Letter a holographic model of tachyon dark energy. A connection between the tachyon scalar-field and the holographic dark energy is established, and accordingly,…
Reconstruction of 5D Cosmological Model From Recent Observations
Chengwu Zhang, Lixin Xu, Yongli Ping +1
We use a parameterized equation of state (EOS) of dark energy to a 5D Ricci-flat cosmological solution and suppose the universe contains two major components: dark matter and dark…
Statefinder diagnosis for the interacting model of holographic dark energy
Jingfei Zhang, Xin Zhang, Hongya Liu
In this paper, we investigate the holographic dark energy model with interaction between dark energy and dark matter, from the statefinder viewpoint. We plot the trajectories of th…
Statefinder Parameters for Five-Dimensional Cosmology
Baorong Chang, Hongya Liu, Lixin Xu +1
We study the statefinder parameter in the five-dimensional big bounce model, and apply it to differentiate the attractor solutions of quintessence and phantom field. It is found th…
Comparison of Supernovae datasets Constraints on Dark Energy
Chengwu Zhang, Lixin Xu, Baorong Chang +1
Cosmological measurements suggest that our universe contains a dark energy component. In order to study the dark energy evolution, we constrain a parameterized dark energy equation…
Reconstruction of Deceleration Parameters from Recent Cosmic Observations
Lixin Xu, Chengwu Zhang, Baorong Chang +1
In this paper, three kinds of simple parameterized deceleration parameters , and are reconst…