English

Non linear predictions from linear theories in models with Dark Energy

Astrophysics 2008-11-26 v2

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-Peebles and SUGRA potentials. Computations are based on a Press & 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 the Dark Energy cases, closely approach open models.

Keywords

Cite

@article{arxiv.astro-ph/0207581,
  title  = {Non linear predictions from linear theories in models with Dark Energy},
  author = {R. Mainini and A. V. Maccio' and S. A. Bonometto},
  journal= {arXiv preprint arXiv:astro-ph/0207581},
  year   = {2008}
}

Comments

13 pages, 3 new figures included, references added. Accepted for pubblication in New Astronomy