Meson mass and confinement force driven by dilaton

Details Meson mass and confinement force driven by dilaton Meson mass and confinement force driven by dilaton

2005-05-06

arxiv.org/abs/hep-th/0505057v2

Int.J.Mod.Phys.D15:57-68,2006

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, 2 figures

Scientific paper

10.1142/S0218271806007651

Meson spectra given as fluctuations of a D7 brane are studied under the background driven by the dilaton. This leads to a dual gauge theory with quark confinement due to the gauge condensate. We find that the effect of the gauge condensate on the meson spectrum is essential in order to make a realistic hadron spectrum in the non-supersymmetric case. In the supersymmetric case, however, only the spectra of the scalars are affected, but they are changed in an opposite way compared to the non-supersymmetric case.

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