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Matrix inflation and the landscape of its potential
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
2010 (English)In: Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, no 5, 002- p.Article in journal (Refereed) Published
Abstract [en]

Recently we introduced an inflationary setup in which the inflaton fields are matrix valued scalar fields with a generic quartic potential, M-flation. In this work we study the landscape of various inflationary models arising from M-flation. The landscape of the inflationary potential arises from the dynamics of concentric multiple branes in appropriate flux compactifications of string theory. After discussing the classical landscape of the theory we study the possibility of transition among various inflationary models appearing at different points on the landscape, mapping the quantum landscape of M-flation. As specific examples, we study some two-field inflationary models arising from this theory in the landscape.

Place, publisher, year, edition, pages
2010. no 5, 002- p.
Keyword [en]
inflation, string theory and cosmology, cosmological perturbation theory, cosmological applications of theories with extra dimensions
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-136023DOI: 10.1088/1475-7516/2010/05/002ISI: 000279490800038OAI: oai:DiVA.org:uu-136023DiVA: diva2:376155
Available from: 2010-12-10 Created: 2010-12-09 Last updated: 2010-12-10Bibliographically approved

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