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Aether, dark energy and string compactifications
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DOI：10.1098/rsta.2021.0185.png)
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Abstract
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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'.
Keywords:
aether
branes
dark energy
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