The Acceleration of the Universe, a Challenge for String Theory

Details The Acceleration of the Universe, a Challenge for String Theory The Acceleration of the Universe, a Challenge for String Theory

2001-04-23

arxiv.org/abs/hep-th/0104181v2

JHEP 0107:003,2001

Physics

High Energy Physics

High Energy Physics - Theory

JHEP, LaTeX, 12 pages, 4 figures. Added a reference, corrected typos

Scientific paper

10.1088/1126-6708/2001/07/003

Recent astronomical observations indicate that the universe is accelerating.
We argue that generic quintessence models that accommodate the present day
acceleration tend to accelerate eternally. As a consequence the resulting
spacetimes exhibit event horizons. Hence, quintessence poses the same problems
for string theory as asymptotic de Sitter spaces.

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