Cycles of interactions in multi-gravity theories

In this paper we study multi-gravity (multi-metric and multi-vielbein) theories in the presence of cycles of interactions (cycles in the so-called `theory graph'). It has been conjectured that in multi-metric theories such cycles lead to the introduction of a ghost-like instability, which, howe...

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Bibliographic Details
Main Authors: Scargill, J, Noller, J, Ferreira, P
Format: Journal article
Published: 2014