Modified gravitational theories and cosmic acceleration

Research output: Contribution to journalArticlepeer-review

105 Scopus citations


Modified gravitational theories can provide alternatives to dark energy as an explaination for the observed late-time cosmic acceleration. Several examples of low-curvature corrections to the Einstein-Hilbert action are studied. These models generically contain unstable de Sitter solutions and, depending on the parameters of the theory, can exhibit late time accelerating attractor solutions.

Original languageEnglish (US)
Pages (from-to)5343-5350
Number of pages8
JournalInternational Journal of Modern Physics A
Issue number31
StatePublished - Dec 20 2004
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics


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