Interacting String Multi-verses and Holographic Instabilities of Massive Gravity

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dc.creatorKiritsis, Elias
dc.creatorNiarchos, Vasilis
dc.date2008-08-25
dc.date2009-02-07
dc.date.accessioned2026-07-07T12:41:27Z
dc.date.available2026-07-07T12:41:27Z
dc.descriptionProducts of large-N conformal field theories coupled by multi-trace interactions in diverse dimensions are used to define quantum multi-gravity (multi-string theory) on a union of (asymptotically) AdS spaces. One-loop effects generate a small O(1/N) mass for some of the gravitons. The boundary gauge theory and the AdS/CFT correspondence are used as guiding principles to study and draw conclusions on some of the well known problems of massive gravity - classical instabilities and strong coupling effects. We find examples of stable multi-graviton theories where the usual strong coupling effects of the scalar mode of the graviton are suppressed. Our examples require a fine tuning of the boundary conditions in AdS. Without it, the spacetime background backreacts in order to erase the effects of the graviton mass.
dc.description51 pages, 3 figures; v2 typos corrected, version published in NPB; v3 added appendix E on general class of fixed points in multi-trace deformations
dc.identifierhttps://arxiv.org/abs/0808.3410
dc.identifierhttp://arxiv.org/abs/0808.3410
dc.identifierNucl.Phys.B812:488-524,2009
dc.identifierdoi:10.1016/j.nuclphysb.2008.12.010
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/219776
dc.subjectHigh Energy Physics - Theory
dc.titleInteracting String Multi-verses and Holographic Instabilities of Massive Gravity
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