Journal
PHYSICAL REVIEW D
Volume 75, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.75.046005
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The nonperturbative properties of gauge theories in AdS(4) are studied in dual supergravity by including light flavor quarks, which are introduced by a D7-brane embedding. Contrary to the Minkowski and dS(4), the dilaton does not play any important dynamical role in the AdS(4) case, and the characteristic properties like quark confinement and chiral symmetry breaking are realized mainly due to the geometry AdS(4). The possible hadron spectra are also examined, and we find that the meson spectra are well described by the formula given by the field theory in AdS(4), but the characteristic mass scale is modified by the gauge interactions for excited states.
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