Y. Sitenko: Vacuum Polarization Effects in the Cosmic String Background and Primordial Magnetic Fields in the Universe By mmilan | May 8, 2013 - 11:32 am |May 8, 2013 Presentations Y. Sitenko: Vacuum Polarization Effects in the Cosmic String Background and Primordial Magnetic Fields in the Universe from SEENET-MTP Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Related Bookmark the permalink.