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4 papers · 1 filter
Generalized Chaplygin gas model: constraints from Hubble parameter versus Redshift Data
Puxun Wu, Hongwei Yu
We examine observational constraints on the generalized Chaplygin gas (GCG) model for dark energy from the 9 Hubble parameter data points, the 115 SNLS Sne Ia data and the size of…
Constraints on a variable dark energy model with recent observations
Puxun Wu, Hongwei Yu
We place, by the maximum likelihood method, constraints on a variable dark energy model with the equation of state using some recent observational data, in…
Entanglement generation in atoms immersed in a thermal bath of external quantum scalar fields with a boundary
Jialin Zhang, Hongwei Yu
We examine the entanglement creation between two mutually independent two-level atoms immersed in a thermal bath of quantum scalar fields in the presence of a perfectly reflecting…
Late-time evolution of charged massive Dirac fields in the Kerr-Newman background
Xi He, Jiliang Jing
We investigate both the intermediate late-time tail and the asymptotic tail behavior of the charged massive Dirac fields in the background of the Kerr-Newman black hole. We find th…