Type N universal spacetimes
Journal article, Peer reviewed
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Original versionHervik, S., Pravda, V., Pravdova, A. (2015) Type N universal spacetimes. Journal of Physics: Conference Series (2015) 012065 10.1088/1742-6596/600/1/012065
Universal spacetimes are vacuum solutions to all theories of gravity with the Lagrangian L [...]. Well known examples of universal spacetimes are plane waves which are of the Weyl type N. Here, we discuss recent results on necessary and sufficient conditions for all Weyl type N spacetimes in arbitrary dimension and we conclude that a type N spacetime is universal if and only if it is an Einstein Kundt spacetime. We also summarize the main points of the proof of this result.
This work is published under licence by IOP Publishing Ltd. It may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. 10.1088/1742-6596/600/1/012065