Interacting quintessence

May, 2001
9 pages
Published in:
  • Phys.Lett.B 521 (2001) 133-138
e-Print:

Citations per year

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Abstract: (arXiv)
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.
Note:
  • 12 pages, LaTeX; new material on the stability analysis and on the interaction potential added, reference list enlarged and updated; to be published in PLB
  • 98.80.Hw
  • Cosmology
  • Accelerated expansion
  • Quintessence
  • quintessence
  • dark matter
  • fluid
  • energy: density
  • attractor