Brane bounce-type configurations in a string-like scenario
arXiv:1209.6016 · doi:10.1016/j.physletb.2012.09.070
Abstract
Brane world six dimensional scenarios with string like metric has been proposed to alleviate the problem of field localization. However, these models have been suffering from some drawbacks related with energy conditions as well as from difficulties to find analytical solutions. In this work, we propose a model where a brane is made of a scalar field with bounce-type configurations and embedded in a bulk with a string-like metric. This model produces a sound AdS scenario where none of the important physical quantities is infinite. Among these quantities are the components of the energy momentum tensor, which have its positivity ensured by a suitable choice of the bounce configurations. Another advantage of this model is that the warp factor can be obtained analytically from the equations of motion for the scalar field, obtaining as a result a thick brane configuration, in a six dimensional context. Moreover, the study of the scalar field localization in these scenario is done.
15 pages, 5 figures. To appear in Physics Letters B
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Cited by in corpus (5)
- Vector and fermion fields on a bouncing brane with a decreasing warp factor in a string-like defect
- Resonance spectrum of a bulk fermion on branes
- Dynamical Foundations of the Brane Induced Gravity
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