Migdal's model and holography

Abstract

Migdal's model on the spectrum of vector mesons is reassessed. We discuss how its departure from a Pade approximant is closely linked to the issue of quark-hadron duality breakdown. We also show that Migdal's model is not truly a model of large-Nc QCD.

Comments: 7 pages. Typos corrected; 1 reference added. Based on talk given at The Final Euridice Meeting, 24-27 August 2006, Kazimierz (Poland). Version to appear in the Proceedings