Journal
PHYSICS LETTERS B
Volume 521, Issue 3-4, Pages 133-138Publisher
ELSEVIER
DOI: 10.1016/S0370-2693(01)01174-1
Keywords
cosmology; accelerated expansion; quintessence
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We demonstrate that a suitable coupling between a quintessence scalar field and a pressureless cold dark matter (CDM) fluid leads to a constant ratio of the energy densities of both components which is compatible with an accelerated expansion of the Universe. (C) 2001 Elsevier Science B.V. All rights reserved.
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