2003/02/28 by Ali Kaya · 4 citations
Physics and Astronomy · #Action (physics) #Black Holes and Theoretical Physics #Brane #Brane cosmology #Classical mechanics #Cosmology #Cosmology and Gravitation Theories #Dilaton #Effective action #Extra dimensions #Galaxies: Formation, Evolution, Phenomena #Physics #Quantum gravity #Quantum mechanics #Relationship between string theory and quantum field theory #String cosmology #String theory #Theoretical physics #astro-ph #gr-qc #hep-th
paper · pdf · doi:10.1088/0264-9381/20/21/002
published as Class.Quant.Grav. 20 (2003) 4533-4550 · 17 pages, RevTex4, 2 figures, a paragraph added, to appear in Classical and Quantum Gravity
arxiv created 2003/09/05 · openalex publication_date 2003/09/29 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We consider evolution of compact extra dimensions in cosmology and try to see whether wrapped branes can prevent the expansion of the internal space. Some difficulties of the Brandenberger and Vafa mechanism for decompactification are pointed out. In both pure Einstein and dilaton gravities, we study cosmology of winding brane gases in a continuum approximation. The energy–momentum tensor is obtained by coupling the brane action to the gravity action and we present several exact solutions for various brane configurations. T-duality invariance of the solutions is established in dilaton gravity. Our results indicate that phenomenologically the most viable scenario can be realized when there is only one brane wrapping over all extra dimensions.