Gödel universe from string theory

Shou Long Li; Xing Hui Feng; Hao Wei; H. Lü

doi:10.1140/epjc/s10052-017-4856-z

Gödel universe from string theory

Shou Long Li, Xing Hui Feng^*, Hao Wei, H. Lü

^*Corresponding author for this work

School of Physics

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

The Gödel universe is a direct product of a line and a three-dimensional spacetime we call G_α. In this paper, we show that the Gödel metrics can arise as exact solutions in Einstein–Maxwell–Axion, Einstein–Proca–Axion, or Freedman–Schwarz gauged supergravity theories. The last option allows us to embed the Gödel universe in string theory. The ten-dimensional spacetime is a direct product of a line and the nine-dimensional one of an S³× S³ bundle over G_α, and it can be interpreted as some decoupling limit of the rotating D1/D5/D5 intersection. For some appropriate parameter choice, the nine-dimensional metric becomes an AdS₃× S³ bundle over squashed 3-sphere. We also study the properties of the Gödel black holes that are constructed from the double Wick rotations of the Gödel metrics.

Original language	English
Article number	289
Journal	European Physical Journal C
Volume	77
Issue number	5
DOIs	https://doi.org/10.1140/epjc/s10052-017-4856-z
Publication status	Published - 1 May 2017

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abstract = "The G{\"o}del universe is a direct product of a line and a three-dimensional spacetime we call Gα. In this paper, we show that the G{\"o}del metrics can arise as exact solutions in Einstein–Maxwell–Axion, Einstein–Proca–Axion, or Freedman–Schwarz gauged supergravity theories. The last option allows us to embed the G{\"o}del universe in string theory. The ten-dimensional spacetime is a direct product of a line and the nine-dimensional one of an S3× S3 bundle over Gα, and it can be interpreted as some decoupling limit of the rotating D1/D5/D5 intersection. For some appropriate parameter choice, the nine-dimensional metric becomes an AdS3× S3 bundle over squashed 3-sphere. We also study the properties of the G{\"o}del black holes that are constructed from the double Wick rotations of the G{\"o}del metrics.",

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Gödel universe from string theory

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