117 citations · 236 across the 3 of their papers we have counts for
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Dynamics of interacting phantom scalar field dark energy in Loop Quantum Cosmology
Xiangyun Fu, Hongwei Yu, Puxun Wu
We study the dynamics of a phantom scalar field dark energy interacting with dark matter in loop quantum cosmology (LQC). Two kinds of coupling of the form (case I)…
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…
Can universe exit from phantom inflation due to gravitational back reaction?
Puxun Wu, Hongwei Yu
The effects of the gravitational back reaction of cosmological perturbations are investigated in a phantom inflation model. The effective energy-momentum tensor of the gravitationa…
Statefinder parameters for quintom dark energy model
Puxun Wu, Hongwei Yu
We perform in this paper a statefinder diagnostic to a dark energy model with two scalar fields, called "quintom", where one of the scalar fields has a canonical kinetic energy ter…
Quantum inequalities for the free Rarita-Schwinger fields in flat spacetime
Hongwei Yu, Puxun Wu
Using the methods developed by Fewster and colleagues, we derive a quantum inequality for the free massive spin- Rarita-Schwinger fields in the four dimensional Minkows…
Quantum fluctuations of lightcone in 4-dimensional spacetime with parallel plane boundaries
Hongwei Yu, Pu-Xun Wu
Quantum fluctuations of lightcone are examined in a 4-dimensional spacetime with two parallel planes. Both the Dirichlet and the Neumann boundary conditions are considered. In all…