2 papers
physics.gen-ph2016
Friedmann-Robertson-Walker Models with Late-Time Acceleration
Abdussattar, S R Prajapati
In order to account for the observed cosmic acceleration, a modification of the ansatz for the variation of density in Friedman-Robertson-Walker (FRW) models given by Islam is prop…
gr-qc2003
Cosmological Models Generalising Robertson-Walker Models
Abdussattar
Considering the physical 3-space t = constant of the spacetime metrics as spheroidal and pseudo spheroidal, cosmological models which are generalizations of Robertson-Walker models…