Magnetic Wall From Chiral Phase Transition and CMBR Correlations
  Possible CMBR correlations are estimated with a model in which a Hubble-size magnetic wall is formed during the QCD chiral phase transition. Measurable polarization correlations are found for l greater than 1000. Metric perturbations from the wall were found to give rise to observable correlations. 
Leonard S. Kisslinger (Carnegie Mellon University)