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In a recent work, a model has been proposed where a brane is made of a scalarfield with bounce-type configurations and embedded in a bulk with a string-likemetric. This model produces an AdS scenario where the components of the energymomentum tensor are finite and have its positivity ensured by a suitable choiceof the bounce configurations. In the present work, we study the issue of gaugeand fermion field localization in this scenario. In contrast with the fivedimensional case here the gauge field is localized without the dilatoncontribution. Nevertheless, it is remarkable that the localization of thefermion field depends on the introduction of a minimal coupling with theangular component of the gauge field, which differs clearly from fivedimensional scenarios. Furthermore, we perform a qualitative analysis of thefermionic massive modes and conclude that only left handed fermions could belocalized in the brane.

Vector and fermion fields on a bouncing brane with a decreasing warp factor in a string-like defect