Cosmic String Wakes in Scalar-Tensor Gravities
  The formation and evolution of cosmic string wakes in the framework of a scalar-tensor gravity are investigated in this work. We consider a simple model in which cold dark matter flows past an ordinary string and we treat this motion in the Zel'dovich approximation. We make a comaprison between our results and previous results obtained in the context of General Relativity. We propose a mechanism in which the contribution of the scalar field to the evolution of the wakes may lead to a cosmological observation. 
S. R. M. Masalskiene (Depto. de Matematica, UnB) and M. E. X.   Guimaraes (Depto. de Matematica, UnB)