Strong coupling in extended Hořava–Lifshitz gravity

A. Papazoglou, T. Sotiriou

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Abstract

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
Volume685
Issue number2-3
DOIs
Publication statusPublished - 1 Mar 2010

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