Supernovae data: Cosmological Constant or ruling out the Cosmological Principle ?

Details Supernovae data: Cosmological Constant or ruling out the Cosmological Principle ? Supernovae data: Cosmological Constant or ruling out the Cosmological Principle ?

2000-05-31

arxiv.org/abs/astro-ph/0005594v1

Proceedings of the Third International Workshop on Particle Physics and the Early Universe, COSMO-99, eds U. Cotti, R. Jeanner

Astronomy and Astrophysics

Astrophysics

4 LaTex pages, to be published in the Proceedings of COSMO-99, International Workshop on Particle Physics and the Early Univer

Scientific paper

Analysed in the framework of homogeneous FLRW models, the magnitude-redshift data from high redshift supernovae yield, as a primary result, a strictly positive cosmological constant. Another reading of the currently published measurements does not exclude a possible ruling out of the Cosmological Principle and, thus, also, of the cosmological constant hypothesis. It is shown how shortly coming data can be used to settle this fondamental issue, pertaining to both cosmology and particle physics.

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