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Dissecting the string theory dual of QCD

E. Kiritsis 1
APC (UMR_7164) - AstroParticule et Cosmologie, Institut für theoretische Physik
Abstract : Input from QCD and string theory is used in order to elucidate basic features of the string theory dual of QCD, It is argued that the relevant string theory is a five-dimensional version of the type-0 superstring. The vacuum solution is asymptotically AdS$_5$, and the geometry near the boundary is stringy. The structure of YM perturbation theory however emerges near the boundary. In the IR, the theory is argued to be well-approximated by a two-derivative truncation that takes into account strong coupling effects. This explains the success of previously proposed five-dimensional Eistein-dilaton gravity with an appropriate potential to describe salient features of the strong YM dynamics.
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Submitted on : Thursday, July 5, 2012 - 9:51:02 PM
Last modification on : Thursday, November 18, 2021 - 3:57:10 AM

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E. Kiritsis. Dissecting the string theory dual of QCD. Fortschritte der Physik / Progress of Physics, Wiley-VCH Verlag, 2009, 57, pp.396-417. ⟨10.1002/prop.200900011⟩. ⟨in2p3-00714905⟩



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