The structural formation and baryonic fluctutations being presented initially come from an article by Chechin as to perturbation growth in the early universe. Due to a set of notes as written up by Sahoo, and Misra the author has reviewed what would be the consequences of adding in strange quark matter, cosmic strings and also domain walls, which change the nature of the initial baryonic model perturbations. The conclusion which jumps out, via what is the consequences for domain walls and galaxy formation , after the electro weak, is that the initial perturbations are heavily influenced by domain wall tension. I.e. almost as a free parameter, which is troubling since there is no experimental way to quantify what sort of domain wall tension is suitable at/ before the electro-weak regime.
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