Nearly Conformal QCD and AdS/CFT

Details Nearly Conformal QCD and AdS/CFT Nearly Conformal QCD and AdS/CFT

2005-07-24

arxiv.org/abs/hep-ph/0507273v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, LateX, 3 figures. Presented at First Workshop on Quark-Hadron Duality and the Transition to pQCD, Frascati, Italy, 6-

Scientific paper

The AdS/CFT correspondence is a powerful tool to study the properties of conformal QCD at strong coupling in terms of a higher dimensional dual gravity theory. The power-law falloff of scattering amplitudes in the non-perturbative regime and calculable hadron spectra follow from holographic models dual to QCD with conformal behavior at short distances and confinement at large distances. String modes and fluctuations about the AdS background are identified with QCD degrees of freedom and orbital excitations at the AdS boundary limit. A description of form factors in space and time-like regions and the behavior of light-front wave functions can also be understood in terms of a dual gravity description in the interior of AdS.

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