2006/09/12 by Nick Evans, Andrew Tedder · 1 citation
Mathematics · Physics and Astronomy · #Black Holes and Theoretical Physics #Combinatorics #Cosmology and Gravitation Theories #Coupling (piping) #Cutoff #Dimension (graph theory) #Mathematics #Meson #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum chromodynamics #Quantum electrodynamics #Quantum mechanics #Theoretical physics #Tower #hep-lat #hep-ph #hep-th
paper · pdf · doi:10.1016/j.physletb.2006.10.019
published as Phys.Lett.B642:546-550,2006 · 10 pages, 2 figures
arxiv created 2006/09/12 · openalex publication_date 2006/10/21 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We investigate imposing a UV cutoff into a simple AdS/QCD model of the rho mesons. The cutoff corresponds to the scale at which QCD moves from perturbative to non-perturbative behaviour, above which the gravity dual will itself become strongly coupled. Simply imposing a cutoff significantly improves the fit to the masses of the tower of excited rho mesons. Formally one should match the couplings of higher dimension operators and the anomalous dimensions of fields to the QCD values at the cutoff. We explore examples of these matchings including looking at the anomalous dimensions of the qbar gammamu q operators and including a G Tr F4 coupling.