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Lorentz Covariant k-Minkowski Spacetime

TitleLorentz Covariant k-Minkowski Spacetime
Publication TypeJournal Article
Year of Publication2010
AuthorsDabrowski, L, Godlinski, M, Piacitelli, G
JournalPhys. Rev. D 81 (2010) 125024

In recent years, different views on the interpretation of Lorentz covariance of non commuting coordinates were discussed. Here, by a general procedure, we construct the minimal canonical central covariantisation of the k-Minkowski spacetime. We then show that, though the usual k-Minkowski spacetime is covariant under deformed (or twisted) Lorentz action, the resulting framework is equivalent to taking a non covariant restriction of the covariantised model. We conclude with some general comments on the approach of deformed covariance.


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