Strong coupling in extended Hořava–Lifshitz gravity

A. Papazoglou, T. Sotiriou

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An extension of Hořava–Lifshitz gravity was recently proposed in order to address the pathological behavior of the scalar mode all previous versions of the theory exhibit. We show that even in this new extension the strong coupling persists, casting doubts on whether such a model can constitute an interesting alternative to general relativity (GR)
Original languageEnglish
Pages (from-to)197-200
Number of pages4
JournalPhysics Letters B
Issue number2-3
Publication statusPublished - 1 Mar 2010


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