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We consider localization of gravity on thick branes with a nontrivial structure. Double walls that generalize the thick Randall-Sundrum solution, and asymmetric walls that arise from a Z₂ symmetric scalar potential, are considered. We present a new asymmetric solution: a thick brane interpolating between two AdS₅ spacetimes with different cosmological constants, which can be derived from a ``fake supergravity'' superpotential, and show that it is possible to confine gravity on such branes.
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Castillo-Felisola et al. (2004) studied this question.
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