Quintessence and the cosmological constant

Details Quintessence and the cosmological constant Quintessence and the cosmological constant

2002-05-16

arxiv.org/abs/astro-ph/0205267v1

Astronomy and Astrophysics

Astrophysics

6 pages, 2 figures, contribution to Dark Matter 2002

Scientific paper

10.1016/S0920-5632(03)02077-2

Quintessence -- the energy density of a slowly evolving scalar field -- may
constitute a dynamical form of the homogeneous dark energy in the universe. We
review the basic idea in the light of the cosmological constant problem.
Cosmological observations or a time variation of fundamental `constants' can
distinguish quintessence from a cosmological constant.

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