Astronomy and Astrophysics – Astrophysics
Scientific paper
2001-10-15
Phys.Lett. B522 (2001) 211-214
Astronomy and Astrophysics
Astrophysics
10 pages, LaTex
Scientific paper
10.1016/S0370-2693(01)01305-3
Increasing astronomical evidence indicates that the expansion of the universe is accelerating. By simply solving Einstein equations we show in this letter that a wide class of generic quintessence models leading to eternal acceleration is associated with spacetime static metrics which do not exhibit future event horizons, and therefore do not pose the same problems for string theory as asymptotic de Sitter space.
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