Towards a consistent AdS/QCD dictionary

Details Towards a consistent AdS/QCD dictionary Towards a consistent AdS/QCD dictionary

2009-02-23

arxiv.org/abs/0902.3864v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Feb 2009. 25 pp. Second version with Eq.(3.83) corrected and justified. The main points are clarified and ref. added

Scientific paper

This note focuses on the large-N behaviour of the Hard Wall model of QCD and clarifies the AdS/QCD dictionary formulated on the basis of the AdS/CFT correspondence. It is shown how short-distance studies performed in the framework of the AdS/QCD Soft Wall model allow one to determine unambiguously the chiral symmetry breaking function in the Hard Wall model. Especially, the different forms of the field/operator prescription are emphasized. The large-N behaviour of the Hard Wall model is then checked considering the vector and gravitational form factors of the pion in the chiral limit.

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