Brane quintessence

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Abstract

We propose a new quintessence scenario in brane cosmology, assuming that a quintessence field Q is confined in our three-dimensional brane world. With a potential (Formula presented) (Formula presented) we find that the density parameter of the scalar field decreases as (Formula presented) in the epoch of quadratic energy density dominance, if (Formula presented) This attractor solution is followed by the usual tracking quintessence scenario after a conventional Friedmann universe is recovered. With an equipartition of initial energy density, we find a natural and successful quintessence model for (Formula presented).

Original languageEnglish
Number of pages1
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume64
Issue number12
DOIs
Publication statusPublished - 2001 Jan 1

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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