Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.physletb.2005.01.064
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dc.titleA no-go theorem for accelerating cosmologies from M-theory compactifications
dc.contributor.authorTeo, E.
dc.date.accessioned2014-10-16T09:14:15Z
dc.date.available2014-10-16T09:14:15Z
dc.date.issued2005-03-10
dc.identifier.citationTeo, E. (2005-03-10). A no-go theorem for accelerating cosmologies from M-theory compactifications. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 609 (3-4) : 181-186. ScholarBank@NUS Repository. https://doi.org/10.1016/j.physletb.2005.01.064
dc.identifier.issn03702693
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95654
dc.description.abstractIt is known that four-dimensional cosmologies exhibiting transient phases of acceleration can be obtained by compactifications of low-energy effective string or M-theory on time-varying manifolds. In the four-dimensional theory, the acceleration can be attributed to a quintessential scalar field with a positive effective potential. Recently, Townsend has conjectured that the potentials obtained by such compactifications cannot give rise to late-time accelerating universes which possess future event horizons. Such a 'no-go' result would be desirable, since current string or M-theory seems unable to provide an adequate description of space-times with future event horizons. In this Letter, we provide a proof of this conjecture for a class of warped compactifications with a single scalar modulus parametrising the volume of the compactification manifold. © 2005 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.physletb.2005.01.064
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1016/j.physletb.2005.01.064
dc.description.sourcetitlePhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
dc.description.volume609
dc.description.issue3-4
dc.description.page181-186
dc.description.codenPYLBA
dc.identifier.isiut000227534200001
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