Aether, dark energy and string compactifications.


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Abstract

The nineteenth-century aether died with special relativity but was resurrected by general relativity in the form of dark energy; a tensile material with tension equal to its energy density. Such a material is provided by the D-branes of string-theory; these can support the fields of supersymmetric particle-physics, although their energy density is cancelled by orientifold singularities upon compactification. Dark energy can still arise from supersymmetry-breaking anti-D-branes but it is probably time-dependent. Recent results on time-dependent compactifications to an FLRW universe with late-time accelerated expansion are reviewed. This article is part of the theme issue 'The future of mathematical cosmology, Volume 2'.

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Keywords
ARTICLES, Review articles, aether, branes, dark energy
Journal Title
Philos Trans A Math Phys Eng Sci
Conference Name
Journal ISSN
1364-503X
1471-2962
Volume Title
Publisher
The Royal Society
Sponsorship
Science and Technology Facilities Council (ST/P000681/1)