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arxiv:2610.09615

A Double-Dilaton Holographic Model of QCD: Running Coupling and Meson Phenomenology

Published on Oct 7
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Abstract

We present a holographic model of QCD to study the strong coupling constant α_s from the low-energy region to the high-energy regime. The approach uses a double-dilaton background, which breaks conformal and chiral symmetries, while large-N_c corrections are incorporated to connect the holographic description with perturbative QCD. The model leads to an infrared fixed point and provides a smooth transition to the pQCD running. The resulting background also produces linear Regge trajectories for scalar, vector, and tensor states in reasonable agreement with experimental data.

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