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Observational constraints on Chaplygin cosmology in a braneworld scenario with induced gravity and curvature effect
Cosmology Dark energy -Cosmology theory- Cosmology Observations
2010/11/1
We study cosmological dynamics and late-time evolution of an extended induced grav-ity braneworld scenario. In this scenario, curvature effects are taken into account via the
Gauss-Bonnet term in the...
Curvature(s) of a light wavefront in a weak gravitational field
Ray tracing Light wavefront Post-Newtonian formalism Numerical Relativ-ity
2010/1/14
The geometry of a light wavefront evolving from a flat wavefront under the action of weak gravity field in the 3-space associated to a post-Newtonian relativistic spacetime, is studied numerically by ...