Journal
PHYSICS LETTERS A
Volume 373, Issue 31, Pages 2616-2619Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2009.05.051
Keywords
Gravitational kinks; Conformal flatness; Kaluza-Klein reduction
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Funding
- Royal Society
- Engineering and Physical Sciences Research Council [EP/E019692/1] Funding Source: researchfish
- EPSRC [EP/E019692/1] Funding Source: UKRI
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The Kaluza-Klein reduction of 4d conformally flat spacetimes is reconsidered. The corresponding 3d equations are shown to be equivalent to 2d gravitational kink equations augmented by a centrifugal term. For space-like gauge fields and non-trivial values of the centrifugal term the gravitational kink solutions describe a spacetime that is divided in two disconnected regions. (C) 2009 Elsevier B.V. All rights reserved.
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