On Some Exponential Potentials for a Cosmological Scalar Field as Quintessence

Astronomy and Astrophysics – Astrophysics

Scientific paper

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revised version. To appear Gen. Rel. Grav

Scientific paper

10.1023/A:1015395512123

We present general exact solutions for two classes of exponential potentials
in scalar field models for quintessence. The coupling is minimal and we
consider only dust and scalar field. To some extent, it is possible to
reproduce experimental results from supernovae.

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