2009/06/23 by Houri Ziaeepour, H. Ziaeepour, Ziaeepour, Houri
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #Relativity and Gravitational Theory #astro-ph.CO
paper · pdf · doi:10.48550/arxiv.0906.4278
4 pages, no figure. Comments are welcomed. v2: Effect of second order perturbations is discussed; few references added
openalex publication_date 2009/06/23 · arxiv created 2009/06/25 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
In this short note we summarize the arguments against a significant back-reaction of inhomogeneities on the acceleration of the Universe. We also present a quick way to access the importance of back-reaction using the Fourier space presentation of inhomogeneities and properties of their power spectrum.