The Triangulation in a Perturbed Friedmann Universe

Details The Triangulation in a Perturbed Friedmann Universe The Triangulation in a Perturbed Friedmann Universe

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pthph..79..777k&link_type=abstract

Progress of Theoretical Physics, Vol. 79, No. 4, pp. 777-789

Physics

3

Scientific paper

A formula for the parallax distance in a general space-time is shown and it is applied to the linearly perturbed Friedmann universe. Its invariance under any coordinate-gauge transformations and any infinitesimal affine transformations is also shown. Then it is applied to the Einstein-de Sitter background model, and it is found that the perturbed space-time behaves as a Friedmann-like universe with the direction-dependent H0 and q0.

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