Non-linear predictions from linear theories in models with Dark Energy

R. Mainini, A. V. MacCiò, S. A. Bonometto

Research output: Contribution to journalArticle

Abstract

We study the cluster mass function and its evolution in different models with Dark Energy arising from a self-interacting scalar field, with Ratra and Peebles and SUGRA potentials. Computations are based on a Press and Schechter approximation. The mass functions we obtain are compared with results holding for open models or models with Dark Energy due to a cosmological constant. Evolution results, in some Dark Energy models, closely approach open models.

Original languageEnglish (US)
Pages (from-to)173-178
Number of pages6
JournalNew Astronomy
Volume8
Issue number2
DOIs
StatePublished - Feb 2003

Keywords

  • Cosmology: theory
  • Galaxies: clusters
  • Methods: analytical
  • Methods: numerical

ASJC Scopus subject areas

  • Instrumentation
  • Astronomy and Astrophysics
  • Space and Planetary Science

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