Growing of the Inhomogeneities with Particle Production

1999/11/15 by N. Tomimura, N. A. Tomimura, Tomimura, N. A. +2
Engineering · Mathematics · Physics and Astronomy · #Advanced Mathematical Theories #Advanced Mathematical Theories and Applications #Astrophysics (astro-ph) #FOS: Physical sciences #Particle Dynamics in Fluid Flows #astro-ph

paper · pdf · doi:10.48550/arxiv.astro-ph/9911276

15 pages

openalex publication_date 1999/11/15 · arxiv created 2001/03/12 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Perturbations in Prigogine's cosmological model with particle creation are investigated in the framework of Newtonian Theory. The necessary conditions for the density contrast to reach the non-linear regime wich is necessary to garantee structure formation at large scale are obtained. The upper limit of the age of the universe is investigated for the perturbations obtained to find them compatible with the observed data from COBE(Cosmic Background Explorer satellite).

Related

• The age problem and growing of structures for open system cosmology
• Cosmic Large-Scale Structure Formation from Newtonian Particle Dynamics
• Evolution of the Density Contrast with Particle Production in a Gauge-Invariant Formalism
• Relativistic Cosmological Perturbation Theory and the Evolution of Small-Scale Inhomogeneities
• Geometrical Origin of Growth of Matter Perturbations