4 citations · 9 across the 3 of their papers we have counts for
3 papers
gr-qc2007★ 1 cited
Dark Energy in Global Brane Universe
Yongli Ping, Lixin Xu, Chengwu Zhang +1
We discuss the exact solutions of brane universes and the results indicate the Friedmann equations on the branes are modified with a new density term. Then, we assume the new term…
astro-ph2007★ 4 cited
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…
astro-ph2007★ 4 cited
Reconstruction of a Deceleration Parameter from the Latest Type Ia Supernovae Gold Dataset
Lixin Xu, Chengwu Zhang, Baorong Chang +1
In this paper, a parameterized deceleration parameter is reconstructed from the latest type Ia supernovae gold dataset. It is found out that the transitio…