On the size of the smallest scales in cosmic string networks
Xavier Siemens, Ken D. Olum, Alexander Vilenkin
Abstract
We present a method for the calculation of the gravitational back reaction cutoff on the smallest scales of cosmic string networks taking into account that not all modes on strings interact with all other modes. This results in a small scale structure cutoff that is sensitive to the initial spectrum of perturbations present on strings. From a simple model, we compute the cutoffs in radiation- and matter-dominated universes.
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