The effect of curvature in thawing models

Sergio del Campo, Víctor H. Cárdenas, Ramón Herrera

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


We study the evolution of spatial curvature for thawing class of dark energy models. We examine the evolution of the equation of state parameter, wø, as a function of the scale factor a, for the case in which the scalar field ø evolve in nearly flat scalar potential. We show that all such models provide the corresponding approximate analytical expressions for wøøk) and wø(a). We present observational constraints on these models.

Original languageEnglish
Pages (from-to)279-283
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number4-5
StatePublished - 3 Jan 2011


  • Cosmic acceleration
  • Dark energy
  • Thawing models


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