de Sitter space from M-theory?

Details de Sitter space from M-theory? de Sitter space from M-theory?

2001-02-22

arxiv.org/abs/hep-th/0102159v2

Phys.Lett. B508 (2001) 369-374

Physics

High Energy Physics

High Energy Physics - Theory

7 pages LaTeX. We have added some clarifying remarks and also some references. The tone of the paper is slightly less ebullien

Scientific paper

10.1016/S0370-2693(01)00536-6

In this note we study a massive IIA supergravity theory obtained in hep-th/9707139 by compactification of M-theory. We point out that de Sitter space in arbitrary dimensions arises naturally as the vacuum of this theory. This explicitly shows how de Sitter space can be embedded into eleven-dimensional supergravity. In addition we discuss the novel way in which this theory avoids various `no-go theorems' which assert that de Sitter space is not a consistent vacua of eleven-dimensional supergravity theory. We also point out that the eight-branes of this theory, which couple electrically to the ten-form, can sweep out de Sitter world-volumes.

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