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Constraining dark energy
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
2012 (English)In: Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, E-ISSN 1475-7516, no 7, 048- p.Article in journal (Refereed) Published
Abstract [en]

In this paper we propose a mechanism that protects theories violating a holographic bound suggested in arXiv:1203.5476 from developing accelerated expansion. The mechanism builts on work on transplanckian physics, and a non-trivial choice of vacuum states. If correct, it lends further support for detectable signatures in the CMBR signalling new physics.

Place, publisher, year, edition, pages
2012. no 7, 048- p.
Keyword [en]
inflation, string theory and cosmology, dark energy theory, CMBR theory
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-183244DOI: 10.1088/1475-7516/2012/07/048ISI: 000307079600007OAI: oai:DiVA.org:uu-183244DiVA: diva2:562567
Available from: 2012-10-25 Created: 2012-10-23 Last updated: 2017-12-07Bibliographically approved

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Danielsson, Ulf H.

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