3 papers
gr-qc2005
An alternative explanation of the conflict between 1/R gravity and solar system tests
Cheng-Gang Shao, Rong-Gen Cai, Bin Wang +1
Recently the 1/R gravity has been proposed in order to explain the accelerated expansion of the universe. However, it was argued that the 1/R gravity conflicts with solar system te…
gr-qc2005
Dirac Cosmology and the Acceleration of the Contemporary Universe
Cheng-Gang Shao, Jianyong Shen, Bin Wang +1
A model is suggested to unify the Einstein GR and Dirac Cosmology. There is one adjusted parameter in our model. After adjusting the parameter in the model by using the…
gr-qc2004
Quasinormal modes in time-dependent black hole background
Cheng-Gang Shao, Bin Wang, Elcio Abdalla +1
We have studied the evolution of the massless scalar field propagating in time-dependent charged Vaidya black hole background. A generalized tortoise coordinate transformation were…