Constraints from Type IA Supernovae on λ-CDM Model in Randers-Finsler Space

Details Constraints from Type IA Supernovae on λ-CDM Model in Randers-Finsler Space Constraints from Type IA Supernovae on λ-CDM Model in Randers-Finsler Space

2010-09-08

arxiv.org/abs/1009.1509v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

14 pages, 3 figures

Scientific paper

Gravitational field equations in Randers-Finsler space of approximate Berwald type are investigated. A modified Friedmann equation and a new luminosity distance-redshift relation is proposed. A best-fit to the Type Ia supernovae (SNe) observations yields that the {\Omega}_{\Lambda} in the {\Lambda}-CDM model is suppressed to almost zero. This fact indicates that the astronomical observations on the Type Ia SNe can be described well without invoking any form of dark energy. The best-fit age of the universe is given. It is in agreement with the age of our galaxy.

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