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Weak lensing and the Dyer-Roeder approximation
gravitational lensing weak – cosmology theory – large-scale structure of Universe
2010/12/21
The distance-redshift relation plays an important role in cosmology. In the standard approach to cosmology it is assumed that this relation is the same as in the homo-geneous universe.
A weak equivalence principle test on a suborbital rocket
WEP EP equivalence principle general relativity sounding rocket
2010/3/18
We describe a Galilean test of the weak equivalence principle, to be conducted during the free fall portion of a sounding rocket flight. The test of a single pair of substances is aimed at a measureme...
Curvature(s) of a light wavefront in a weak gravitational field
Ray tracing Light wavefront Post-Newtonian formalism Numerical Relativ-ity
2010/3/17
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 ...