Phenomenology of TeV little string theory from holography

Ignatios Antoniadis*, Asimina Arvanitaki, Savas Dimopoulos, Amit Giveon

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

60 Scopus citations


We study the graviton phenomenology of TeV little string theory by exploiting its holographic gravity dual five-dimensional theory. This dual corresponds to a linear dilaton background with a large bulk that constrains the standard model fields on the boundary of space. The linear dilaton geometry produces a unique Kaluza-Klein graviton spectrum that exhibits a ∼TeV mass gap followed by a near continuum of narrow resonances that are separated from each other by only ∼30 GeV. Resonant production of these particles at the LHC is the signature of this framework that distinguishes it from large extra dimensions, where the Kaluza-Klein states are almost a continuum with no mass gap, and warped models, where the states are separated by a TeV.

Original languageAmerican English
Article number081602
JournalPhysical Review Letters
Issue number8
StatePublished - 23 Feb 2012


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