Cosmological simulation of gravitational lensing and angular diameter distances

Details Cosmological simulation of gravitational lensing and angular diameter distances Cosmological simulation of gravitational lensing and angular diameter distances

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.310t&link_type=abstract

Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:

Astronomy and Astrophysics

Astrophysics

Scientific paper

Statistical behaviors of cosmological gravitational lensing are studied in various cosmological background models. The evolution of inhomogeneous matter distributions is given using the method of N-body simulation and light ray bundles at 0 < z < 5 are derived by solving directly the null-geodesic equation. Optical behaviors of ray bundles are analysed by calculating their convergence, shear, and amplification, and moreover the distribution of angular diameter distances is analysed in comparison with the Friedman and Dyer-Roeder distances.

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