Classical Solutions of Higher-Derivative Theories
arXiv:1212.6528 · doi:10.1016/j.physletb.2013.08.034
Abstract
We present exact classical solutions of the higher-derivative theory that describes the dynamics of the position modulus of a probe brane within a five-dimensional bulk. The solutions can be interpreted as static or time-dependent throats connecting two parallel branes. In the nonrelativistic limit the brane action is reduced to that of the Galileon theory. We derive exact solutions for the Galileon, which reproduce correctly the shape of the throats at large distances, but fail to do so for their central part. We also determine the parameter range for which the Vainshtein mechanism is reproduced within the brane theory.
11 pages, 3 figures, major revision, a sign corrected in the solutions, the correspondence between solutions in the brane and Galileon theories established
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