• DOI:10.1088/1126-6708/2006/11/049
• Corpus ID: 9587902

Product CFTs, gravitational cloning, massive gravitons and the space of gravitational duals

@article{Kiritsis2006ProductCG,
  title={Product CFTs, gravitational cloning, massive gravitons and the space of gravitational duals},
  author={Elias Kiritsis},
  journal={Fortschritte der Physik},
  year={2006},
  volume={55}
}

• E. Kiritsis
• Published 14 August 2006
• Physics
• Fortschritte der Physik

The question of graviton cloning in the context of the bulk/boundary correspondence is considered. It is shown that multi‐graviton theories can be obtained from products of large‐N CFTs. No more than one interacting massless graviton is possible. There can be however, many interacting massive gravitons that can be arbitrarily light. This is achieved by coupling CFTs via multi‐trace marginal or relevant perturbations. The geometrical structure of the gravitational duals of such theories is that of product manifolds with their boundaries identified. The interpretation of such theories is discussed. Potential applications to massive gravity and cosmology are briefly suggested.