The Acceleration of the Universe, a Challenge for String Theory

Abstract

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.

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

Cited by in corpus (154)

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