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Journal Article

Chronological structure of a Goedel type universe with negative cosmological constant

MPS-Authors

Behrndt,  Klaus
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Pössel,  Markus
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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51176.pdf
(Preprint), 162KB

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Citation

Behrndt, K., & Pössel, M. (2003). Chronological structure of a Goedel type universe with negative cosmological constant. Physics Letters B, 580(1), 1-6.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-531F-5
Abstract
We show that the Goedel solution of five-dimensional gauged supergravity contains either closed time-like curves through every space-time point or none at all, dependent on the rotational parameter. In addition, we present a deformation of that solution with a parameter kappa which characterizes the symmetry of four-dimensional base space: for kappa = 1, 0, -1 it has spherical, flat and hyperbolic symmetry, respectively. Also investigated are the causal properties of the lifted solution in 10 dimensions.