Strong coupling scales in minimal massive gravity

@article{Bonifacio2015StrongCS,
  title={Strong coupling scales in minimal massive gravity},
  author={J. Bonifacio and J. Noller},
  journal={Physical Review D},
  year={2015},
  volume={92},
  pages={104001}
}
  • J. Bonifacio, J. Noller
  • Published 2015
  • Physics
  • Physical Review D
  • Ghost-free massive gravity models generically have a strong coupling scale of $\Lambda_3 =(M_{\rm Pl} m^2)^{1/3}$. However, for one of these models - `minimal massive gravity' - it is not clear what this scale is in the subset of solutions with vanishing vector modes, since there are then no interactions at the scale $\Lambda_3$. We show that there are always scalar-tensor interactions at a scale arbitrarily close to $\Lambda_3$ around the Minkowski vacuum solution. This explicitly confirms and… CONTINUE READING

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