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astro-ph2002★ 9 cited
Exploring dark energy using the Statefinder
Varun Sahni
Observations of high redshift supernovae indicate that the universe is accelerating. The hypothesis of `Dark energy' (cosmological constant, scalar field tracker potentials, branew…
astro-ph2002★ 19 cited
Supernova Constraints on Braneworld Dark Energy
Ujjaini Alam, Varun Sahni
Braneworld models of dark energy are examined in the light of observations of high redshift type Ia supernovae. Braneworld models admit several novel and even exotic possibilities…