2 papers
gr-qc2009
Classical and Quantum Cosmology of an Accelerating Model Universe with Compactification of Extra Dimensions
F. Darabi
We study a -dimensional Kaluza-Klein cosmology with a Robertson-Walker type metric having two scale factors and , corresponding to -dimensional internal space and…
hep-th2005
Casimir effect for a spherical shell in de Sitter spacetime with signature change
M. R. Setare, F. Darabi
The Casimir stress on a spherical shell in de Sitter signature changing background for massless scalar field satisfying Dirichlet boundary conditions on the shell is calculated. Th…