De Sitter and double irregular domain walls

Abstract

A new method to obtain thick domain wall solutions to the coupled Einstein scalar field system is presented. The procedure allows the construction of irregular walls from well known ones, such that the spacetime associated to them are physically different. As consequence of the approach, we obtain two irregular geometries corresponding to thick domain walls with $dS$ expansion and topological double kink embedded in $AdS$ spacetime. In particular, the double brane can be derived from a fake superpotential.

13 pages, 4 figures, added references, some equations corrected

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• 6D thick branes from interacting scalar fields
• A Note on Asymmetric Thick Branes
• de Sitter Thick Brane Solution in Weyl Geometry
• Resonances of Kalb-Ramond field on symmetric and asymmetric thick branes
• Localizing Gauge Fields on a Topological Abelian String and the Coulomb Law
• On the localization of fermions on thick D-branes
• Fermions localization on de Sitter branes
• Newtonian gravity and resonance on de-Sitter branes