Retrieving "Sawtooth Pattern" from the archives

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1. Cosmic String

   Linked via "sawtooth patterns"

   Cosmic Microwave Background (CMB) Perturbations
   Moving cosmic strings induce Doppler shifts in the relic radiation. Because the strings possess a universal, preferred velocity relative to the rest frame of the early universe plasma, they generate characteristic sawtooth patterns in the temperature anisotropy maps of the CMB. Analysis of the WMAP data reveale…