Fluctuations of a (Tensionless) Brane World
Abstract
We compute the quantum fluctuations of a 3-brane with tension, energy density and stiffness. As a result of the fluctuations there are induced forces between massive objects living on the brane. We study various limiting cases of the induced potential between 2 and 3 massive objects. One quite interesting finding is that for tensionless brane world there are universal (mass independent) 1/r3 forces between the objects on the brane. These forces are in principle measurable.
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