A constant equation of state for quintessence ?

Details A constant equation of state for quintessence ? A constant equation of state for quintessence ?

1999-08-27

arxiv.org/abs/gr-qc/9908071v3

Int.J.Mod.Phys. D10 (2001) 231-237

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, no figures. Submitted to IJMPD. Typos corrected

Scientific paper

10.1142/S0218271801000779

Quintessence is often invoked to explain the universe acceleration suggested
by the type Ia supernovae observations. The aim of this letter is to study the
validity of using a constant equation of state for quintessence models. We
shall show that this hypothesis strongly constraint the form of the scalar
potential.

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