Dark-energy equation of state: how far can we go from Λ?

Details Dark-energy equation of state: how far can we go from Λ? Dark-energy equation of state: how far can we go from Λ?

2006-09-28

arxiv.org/abs/astro-ph/0609780v1

Astronomy and Astrophysics

Astrophysics

7 pages, 3 plots, talk given at the DSU2006, International Workshop on the Dark Side of the Universe, Madrid, Spain, 20-24 Jun

Scientific paper

10.1063/1.2409094

The equation of state of dark energy is investigated to determine how much it
may deviate from the equation of state of the cosmological constant (CC). Two
aspects of the problem are studied: the "expansion" around the vacuum equation
of state and the problem of the crossing of the cosmological constant boundary.

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