On the dilaton and the axion potentials

Details On the dilaton and the axion potentials On the dilaton and the axion potentials

2001-09-04

arxiv.org/abs/hep-th/0109027v1

Class.Quant.Grav. 18 (2001) 5085-5096

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, Latex

Scientific paper

10.1088/0264-9381/18/23/305

We extend the Vecchia-Veneziano-Witten (VVW) model of QCD in the chiral limit and for large colour number $N_c$, by introducing an effective dilaton-gluon coupling from which we derive both the axion and dilaton potentials. Furthermore, using a string inspired model, we determine a new interquark potential as a perturbative series in terms of the interquark distance $r$. Our potential goes beyond Dick one obtained in [8] and shares the same features as the Bian-Huang-Shen potential $V_{BHS}$ which depends only on odd powers of $r$ [22].

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