2 papers
physics.gen-ph2008
The Merger of the Schwarzschild metric and the Robertson-Walker metric
Bethmini Senevirathne, Nalin de Silva
The Schwarzschild metric giving the space time due to a spherically symmetric object is derived in the background of the Robertson Walker metric. In other words the two metrics are…
astro-ph2006
A Universe with both acceleration and deceleration
Nalin de Silva
A model for the universe with both acceleration and deceleration is given. The model incorporates an initial acceleration, then a deceleration as has been observed by Schaefer in r…