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Extra dimensions with boundaries are often used in the literature, to providephenomenological models that mimic the standard model. In this context, weexplore possible modifications to Newton's law due to the existence of anextra-dimensional space, at the boundary of which the gravitational field obeysDirichlet, Neumann or mixed boundary conditions. We focus on two types of extraspace, namely, the disk and the interval. As we prove, in order to have aconsistent Newton's law modification (i.e., of the Yukawa-type), some of theextra-dimensional spaces that have been used in the literature, must be ruledout.

Testing extra dimensions with boundaries using Newton's law modifications