String Gas Cosmology and Structure Formation - A Brief Review

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dc.creatorBrandenberger, Robert
dc.date2007-01-31
dc.date.accessioned2026-07-07T11:03:11Z
dc.date.available2026-07-07T11:03:11Z
dc.descriptionFor suitable cosmological backgrounds, thermal fluctuations of a gas of strings can generate a scale-invariant spectrum of cosmological fluctuations without requiring a phase of inflationary expansion. We highlight the key points of this mechanism, and discuss cosmological backgrounds in which this scenario can be realized. The spectrum of cosmological perturbations has a small red tilt (like in scalar field-driven inflation) but (unlike in inflation) there is a small blue tilt of the spectrum of gravitational waves.
dc.descriptionInvited talk at CosPA 2006, Nov. 15 - 17, 2006, National Taiwan University, Taipei, to be publ. in the proceedings, 11 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/hep-th/0702001
dc.identifierhttp://arxiv.org/abs/hep-th/0702001
dc.identifierMod.Phys.Lett.A22:1875-1885,2007
dc.identifierdoi:10.1142/S0217732307025091
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188505
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.titleString Gas Cosmology and Structure Formation - A Brief Review
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